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

Mount Hermon, California Weather

Bay laurel fragrance sweetens shade. Day 89 of spring. Read this microseason across nine climate regions →

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

Mount Hermon, CA
Monday, June 15 at 6:57 PM
71
°
Clear
Feels like
71°
Humidity
65%
Wind
7 mph
Sunrise
10:47 PM
Sunset
1:29 PM
Mount Hermon, CA
Hour by hour · 24h
24-Hour ForecastMount Hermon, CA: 24-hour forecast. Temperatures range from 56 to 79 degrees Fahrenheit.
L 56°H 79°
Mount Hermon, CA
7-day forecast
  1. Today
    Jun 15
    Overcast
    —
    —
    77°52°—
  2. Tuesday
    Jun 16
    Foggy
    —
    —
    79°56°+2°
  3. Wednesday
    Jun 17
    Foggy
    —
    —
    81°53°+2°
  4. Thursday
    Jun 18
    Overcast
    —
    —
    74°53°-7°
  5. Friday
    Jun 19
    Overcast
    —
    —
    68°52°-6°
  6. Saturday
    Jun 20
    Mostly Clear
    —
    —
    74°50°+6°
  7. Sunday
    Jun 21
    Clear
    —
    —
    80°47°+6°
Mount Hermon, CA
Next 24 hours · Mild now
50°68°85°12p6p12a6anow 73°high 79°low 56°
Mount Hermon, CA
Anemometer · 24h winds · from true
NESW
From · True
SE
144° · backing 26°
Direction
SE
144°
Sustained
7
mph
Gust
8
mph
Peak 24h
8
avg 4
Beaufort · 2 · LIGHT BRZ
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 · pk 8
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 98SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Mount Hermon, CA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
995.9
-1.3 mb in 3h · falling · 29.41 inHg
Now
995.9
mb
3h
-1.3
mb
12h
+0.4
mb
24h
+0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 995–998
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW997.8995.0996.0
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mount Hermon, CA
Air quality
49
AQI
Good
→+3 in 6h

AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.6 µg/m³ (AQI 56), ratio 0.67 with 7 mph wind — characteristic of long-range haze transport rather than a local source.

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

PM 2.5DRIVERGood
11.6μg/m³
PM 10Good
17μg/m³
NO₂Good
2μg/m³
OzoneModerate
95μg/m³
UV IndexLow
1.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 45
UV peak
1.0 at earlier today
Sky at peak
clear
Projected peak
AQI 45

PM × Wind × Precip

PM2.5 at 11.6 µg/m³ (AQI 56), ratio 0.67 with 7 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.67
Wind
light
Recent rain
0h in last 6h
Pattern
transport

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 TREND50100TUEWEDTHUFRISATSUNMONTUE7-DAY PM2.5 TREND · μg/m³300
Mount Hermon, CA
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
61.6mi
UNLIMITED
77 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
01:57 UTC · Mount Hermon, 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
01:57 UTC · Mount Hermon, CA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mount Hermon, CA
Satellite · infrared · animated
Mount Hermon, CA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mount Hermon, CA
Almanac · Monday, June 15
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
5:18 AM
Sunrise
10:47 PM
Daylight
14h 42m
Sunset
1:29 PM
Civil dusk
9:01 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Mount Hermon, CA
The moon
New Moon
2% illuminated
Moonrise
7:10 AM
Moonset
9:50 PM
In sign
♋︎ Cancer
Mount Hermon, CA
Microseason
Jun 16–20

Bay laurel fragrance sweetens shade

weather
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Mount Hermon at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: March 29 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Mount Hermon

  1. Mon77°52°0%
  2. Tue79°56°0%
  3. Wed81°53°1%
  4. Thu74°53°2%
  5. Fri68°52°3%
  6. Sat74°50°4%
  7. Sun80°47°1%
  8. Mon80°48°0%
  9. Tue85°51°0%
  10. Wed86°53°0%
  11. Thu82°50°0%
  12. Fri85°48°0%
  13. Sat98°51°0%
  14. Sun86°56°3%
  15. Mon81°55°3%
  16. Tue82°53°3%

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

Right now in the garden

Peak growing season

As of June 16, 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.

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 · June 16–20

Bay laurel fragrance sweetens shade

In cooler coastal canyons, bay laurel foliage releases its sharp, anise-like scent as temperatures climb.

Day 167 of 365 · Wedge 34 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

In Mount Hermon, August runs warmest near 66°F and January coldest around 51°F, while January is the wettest month (5.5 inches) and July the driest (0.1 inches).

MonthMean tempPrecipRainy days
January51°5.5″15
February52°5.0″13
March53°4.1″13
April56°1.9″9
May60°0.6″5
June62°0.1″3
July65°0.1″9
August66°0.1″10
September66°0.1″6
October63°0.8″7
November56°3.1″11
December51°4.5″14

Frequently asked

When does it freeze in Mount Hermon?
Mount Hermon's last spring frost lands near mid-April, and in Mount Hermon the first fall frost follows around mid-November.
What is the rainy season in Mount Hermon?
Mount Hermon sees its heaviest rain in January (around 5.5 inches), part of roughly 26 inches a year.
What is the warmest month in Mount Hermon?
August is Mount Hermon's warmest month, averaging about 66°F.
What is the coldest month in Mount Hermon?
Mount Hermon bottoms out in January, with a mean near 51°F.
When can I start a vegetable garden in Mount Hermon?
Frost-hardy sowings begin at mid-April in Mount Hermon; warm-season starts follow two weeks on.
How many rainy days does Mount Hermon get?
Mount Hermon averages about 112 days with measurable rain or snow each year.
What hardiness zone is Mount Hermon?
Mount Hermon's hardiness zone tracks its winter low; with January near 51°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Mount Hermon?
Mount Hermon'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 Mount Hermon?
See this week's day-by-day rain chances for Mount Hermon in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Mount Hermon?
Current conditions for Mount Hermon and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Mount Hermon forecast updated?
The Mount Hermon forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Mount Hermon?
Day length in Mount Hermon peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
How accurate is the weather forecast for Mount Hermon?
The next few days in Mount Hermon's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Mount Hermon, California occupies a hot-summer Mediterranean zone, with January means near 51°F and July around 65°F — a 14°F swing.

In a typical year Mount Hermon records about 26 inches of precipitation on around 112 days.

The 14°F gap between Mount Hermon's summer and winter, at 37.1°N, shapes Mount Hermon's frost calendar.

All cities in California →

Santa Cruz, CA weather →

ZIP codes in Mount Hermon

  • 95018
  • 95066
  • 95041

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.