Weather StoryAlmanac, microseasons, and the day's weather story.

Roseville, California Weather

August begins in scorching stillness. Day 43 of summer. Read this microseason across nine climate regions →

Roseville weather forecast — hour by hour, 7-day outlook, NOAA radar

Roseville, CA
Sunday, August 2 at 8:00 AM
73
°
Clear
Feels like
71°
Humidity
42%
Wind
3 mph
Sunrise
11:07 PM
Sunset
1:15 PM
Roseville, CA
Hour by hour · 24h
24-Hour ForecastRoseville, CA: 24-hour forecast. Temperatures range from 69 to 105 degrees Fahrenheit.
L 69°H 105°
Roseville, CA
7-day forecast
  1. Today
    Aug 2
    Clear
    —
    —
    105°64°—
  2. Monday
    Aug 3
    Clear
    —
    —
    106°69°+1°
  3. Tuesday
    Aug 4
    Clear
    —
    —
    107°73°+1°
  4. Wednesday
    Aug 5
    Clear
    —
    —
    106°72°-1°
  5. Thursday
    Aug 6
    Clear
    —
    —
    106°72°0°
  6. Friday
    Aug 7
    Clear
    —
    —
    108°74°+2°
  7. Saturday
    Aug 8
    Clear
    —
    —
    109°76°+1°
Roseville, CA
Next 24 hours · Mild now
HOT 90°60°88°115°12p6p12a6anow 73°high 105°low 69°
Roseville, CA
Anemometer · 24h winds · from true
NESW
From · True
WSW
241° · veering 157°
Direction
WSW
241°
Sustained
3
mph
Gust
4
mph
Peak 24h
14
avg 4 mph
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 mph · pk 14 mph @ 2:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 154SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Roseville, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1005.7
+1.3 mb in 3h · rising · 29.70 inHg
Now
1005.7
mb
3h
+1.3
mb
12h
+1.6
mb
24h
-3.5
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1004–1009
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1009.31004.11005.7
Pressure climbing out of the rain band — clearing edging in.
Roseville, CA
Air quality
52
AQI
Moderate
→0 in 6h

AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERModerate
13.1μg/m³
PM 10Good
15μg/m³
NO₂Good
17μg/m³
OzoneGood
35μg/m³
UV IndexLow
1.1

What's driving it

PM × Wind × Precip

PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.85 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.85
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³300
Roseville, CA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
91.1mi
UNLIMITED
180 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:00 UTC · Roseville, CA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:00 UTC · Roseville, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Roseville, CA
Satellite · infrared · animated
Roseville, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Roseville, CA
Almanac · Sunday, August 2
Red sky at night, sailor's delight.
Civil dawn
5:39 AM
Sunrise
11:07 PM
Daylight
14h 08m
Sunset
1:15 PM
Civil dusk
8:46 PM
Planting note
Sow fall peas. Start kale and collard seedlings for fall.
Roseville, CA
The moon
Waning Gibbous
84% illuminated
Moonrise
9:50 PM
Moonset
10:15 AM
In sign
♓︎ Pisces
Roseville, CA
Microseason
Aug 1–5

August begins in scorching stillness

plant
Jan 159% of the yearDec 31

Read this microseason across nine climate regions →

Roseville at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: April 9 (climatological average for this latitude)
  • Microseason: Aug 1–5
  • Planting window: Sow fall peas. Start kale and collard seedlings for fall.

ZIP codes: 95661, 95678, 95747

16-Day Forecast — Roseville

  1. Sun105°64°0%
  2. Mon106°69°0%
  3. Tue107°73°0%
  4. Wed106°72°0%
  5. Thu106°72°0%
  6. Fri108°74°0%
  7. Sat109°76°0%
  8. Sun103°75°0%
  9. Mon97°68°0%
  10. Tue96°67°0%
  11. Wed95°66°1%
  12. Thu97°65°3%
  13. Fri100°69°0%
  14. Sat96°68°3%
  15. Sun98°65°3%
  16. Mon104°68°3%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Roseville

Right now in the garden

Peak growing season

As of August 2, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

Sun & seasons in Roseville

Roseville sits in Placer County, where the year’s longest day runs 14h 53m of daylight and its shortest just 9h 27m — a swing of +5h 26m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Los Angeles, the state’s largest city, lies about 360 miles to the SSE. The nearest town Roseville tracks is Sacramento, roughly 16 miles to the SSW.

Air quality in Roseville’s county has trended cleaner since 2020; its cleanest year on record was 2024 (median AQI 50). See the full air-quality history for Roseville.

January 1–5: New year in coastal mist.January 6–10: Hills hold the winter cold.January 11–15: Light lengthens over wet earth.January 16–20: The green pulse quickens.January 21–25: Spring green spreads inland.January 26–31: Winter's grip releases.February 1–5: Fog lifts, flowers open.February 6–10: Blooms erupt across chaparral.February 11–15: Winter blooms at their peak.February 16–20: Rivers recede, flowers spread.February 21–25: Earth warms, flowers rush upslope.February 26–28: Spring advances on cool winds.March 1–5: Grass and trees bud and break.March 6–10: Insects wake and feed.March 11–15: Blossoms crown the hillsides.March 16–20: Monarch chrysalis emergence.March 21–25: Light overtakes dark at equinox.March 26–31: California poppy ablaze.April 1–5: Spring rain feeds the seedlings.April 6–10: Warblers flood the understory.April 11–15: Allen's hummingbirds in courtship dives.April 16–20: Coastal fog settles; sun breaks midday.April 21–25: Oak canopies full and green.April 26–30: Chaparral awakens after spring rains.May 1–5: Coastal wildflowers at their peak.May 6–10: Gray whales complete their migration north.May 11–15: Redwood coast in cool shade.May 16–20: Fog and sun in daily rhythm.May 21–25: Summer approaches; hills turn gold.May 26–31: Dry season begins; tule fog in valleys.June 1–5: Coastal fog thickens at dawn.June 6–10: California poppies fade as heat rises.June 11–15: Summer solstice light stretched thin.June 16–20: Bay laurel fragrance sweetens shade.June 21–25: Longest daylight, driest air.June 26–30: Fog banks mask the turning tide.July 1–5: Summer heat deepens across the valleys.July 6–10: Warm winds drive dryness inland.July 11–15: Pacific high settles in firmly.July 16–20: Young hawks take to the thermals.July 21–25: Peak fire season, peak heat.July 26–31: Chaparral poised for ignition.August 1–5: August begins in scorching stillness.August 6–10: Autumn's first cool breath arrives.August 11–15: Cool winds signal the turning year.August 16–20: Evening cicada chorus.August 21–25: Marine layer descent.August 26–31: Monarch staging begins.September 1–5: Fire season intensity.September 6–10: Dew on drying grasses.September 11–15: Raptor passage begins.September 16–20: Equinox descent.September 21–25: Ceanothus blooms again.September 26–30: Insects retreat below.October 1–5: Creeks begin to whisper.October 6–10: Santa Ana wind season.October 11–15: Wildflower anticipation.October 16–20: Chaparral embers glow.October 21–25: First atmospheric river looms.October 26–31: Rains return at last.November 1–5: Coast live oak leaves turn amber.November 6–10: California lilac blooms in winter light.November 11–15: First rain greens the chaparral.November 16–20: Coastal fog thickens as storms approach.November 21–25: Thanksgiving rains swell the valleys.November 26–30: Autumn's last breath yields to winter.December 1–5: December arrives, storms accelerate.December 6–10: Winter solstice season intensifies.December 11–15: Deep winter: rivers at flood stage.December 16–20: Winter salmon runs peak in northern rivers.December 21–25: Winter solstice: the sun turns.December 26–31: Year's end in wind and rain.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · August 1–5

August begins in scorching stillness

Calm days dominate early August; temperatures peak; the entire ecosystem is in survival mode.

Day 214 of 365 · Wedge 43 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

Roseville's warmest month is July (~76°F mean) and its coldest is December (~46°F). Rainfall peaks in January (3.7 inches) and bottoms out in July (0.0 inches).

MonthMean tempPrecipRainy days
January47°3.7″6
February50°3.5″7
March54°2.6″6
April59°1.2″3
May66°0.6″2
June73°0.2″1
July76°0.0″0
August75°0.1″0
September72°0.1″0
October64°0.8″2
November53°1.8″4
December46°3.3″7

Regional context

Drawing on NOAA NCEI 1991-2020 normals, Roseville's January averages 47°F and July 76°F — 30°F apart — while precipitation totals roughly 18 inches over some 36 days.

Cool-season fronts carry Roseville's rain: January logs 3.7 inches on 5.9 days, against July's 0.0 inches on 0.0 — winter does the heavy lifting in Roseville. It is a winter-storm rhythm Roseville shares with places like Antelope, CA, Rocklin, CA and Citrus Heights, CA.

Freezes are uncommon in Roseville, where the coldest month averages 46°F; cool-season crops grow fall through spring. Summer heat in July (about 76°F) is the binding constraint, not cold. Within Roseville, low or inland lots lose 3-5°F overnight versus Roseville's coastal ground.

Similar climates: Antelope, CA, Rocklin, CA, Citrus Heights, CA, Foothill Farms, CA, Loomis, CA.

Naturalist notes

Valley oaks begin their spring leafout in late April, their fresh green canopy emerging as soil temperatures warm consistently above 50°F.

Western bluebirds start their second nesting cycle in May, taking advantage of the abundant insects that emerge during California's late spring warming period.

Frequently asked

When does it freeze in Roseville?
In Roseville, expect the last spring frost near mid-April; Roseville's first autumn frost comes around mid-November.
What is the rainy season in Roseville?
Rainfall in Roseville peaks in January near 3.7 inches, out of about 18 inches annually.
What is the warmest month in Roseville?
On average July tops the year in Roseville at about 76°F.
What is the coldest month in Roseville?
The coldest stretch in Roseville falls in December, around 46°F on average.
When can I start a vegetable garden in Roseville?
Hardy spring crops go in near mid-April in Roseville; tender peppers and squash wait 10–14 days.
How many rainy days does Roseville get?
Roseville records around 36 days of measurable precipitation annually.
What hardiness zone is Roseville?
Because Roseville bottoms near 46°F in December, that winter low sets Roseville's USDA zone — verify by ZIP.
What is the 10-day forecast for Roseville?
Roseville's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Roseville?
See this week's day-by-day rain chances for Roseville in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Roseville?
Current conditions for Roseville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Roseville forecast updated?
The Roseville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Roseville?
Today's sunrise and sunset times for Roseville are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Roseville?
The next few days in Roseville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

The hot-summer Mediterranean climate of Roseville, California carries typical Januarys near 47°F and Julys around 76°F — 29°F of seasonal travel.

Roseville sees close to 18 inches of precipitation annually, falling across some 36 wet days.

From 38.8°N, Roseville sees a 29°F seasonal swing that governs Roseville's planting and frost windows.

All cities in California →

Sacramento, CA weather →

ZIP codes in Roseville

  • 95661
  • 95747
  • 95678

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.