Sacramento, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Sacramento weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Mostly Clear——95°58°—
- FridayJun 5Overcast——98°62°+3°
- SaturdayJun 6Overcast——86°58°-12°
- SundayJun 7Overcast——85°53°-1°
- MondayJun 8Rain18%0.45″59°55°-26°
- TuesdayJun 9Heavy Drizzle21%0.06″71°57°+12°
- WednesdayJun 10Clear——84°58°+13°
Ozone at AQI 34 now. AQI down 9 over the last 6 hours (steady decline since this morning). With UV 9.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 9.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 9.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.77 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.77
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:34 AM
- Moonset
- 4:17 PM
- In sign
- ♒︎ Aquarius
Coastal fog thickens at dawn
Sacramento at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Sacramento's peak heat at around 78°F mean temperature, while December delivers the coldest conditions at roughly 49°F. January produces the heaviest rainfall at 3.9 inches, contrasting sharply with July's bone-dry 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 49° | 3.9″ | 7 |
| February | 53° | 3.6″ | 7 |
| March | 57° | 2.8″ | 6 |
| April | 61° | 1.4″ | 3 |
| May | 68° | 0.9″ | 2 |
| June | 74° | 0.2″ | 1 |
| July | 78° | 0.0″ | 0 |
| August | 77° | 0.0″ | 0 |
| September | 74° | 0.1″ | 0 |
| October | 66° | 0.9″ | 2 |
| November | 55° | 1.8″ | 4 |
| December | 49° | 3.5″ | 6 |
Regional context
Sacramento falls within the hot-summer Mediterranean climate zone, sharing temperature ranges and seasonal rhythms with other cities in this regional climate pattern.
Similar climates: Los Angeles, CA, San Francisco, CA, San Diego, CA, Riverside, CA, San Jose, CA.
Naturalist notes
Valley oaks begin leafing out in late March as daylight hours lengthen and soil temperatures rise.
Swallows return to Sacramento in early April, timing their arrival with the emergence of flying insects.
Frequently asked
- When does it freeze in Sacramento?
- Sacramento typically sees its final spring frost around mid-April, with the season's first frost returning in mid-November.
- What is the rainy season in Sacramento?
- January ranks as the wettest month, delivering about 3.9 inches of rain on average, while the city's annual total reaches roughly 19 inches.
- What is the warmest month in Sacramento?
- July typically brings the year's highest temperatures, averaging around 78°F.
- What is the coldest month in Sacramento?
- December usually records the coldest temperatures, averaging around 49°F.
- When can I start a vegetable garden in Sacramento?
- Cool-season vegetables like peas and lettuce can be planted around the last spring frost in mid-April, while heat-loving crops such as tomatoes and peppers should wait 1–2 weeks longer.
- How many rainy days does Sacramento get?
- Sacramento experiences approximately 38 rainy days each year.
- What hardiness zone is Sacramento?
- Sacramento's USDA hardiness zone reflects its coldest average winter temperatures; the USDA's online zone finder provides current designations using city ZIP codes.
Climate
Sacramento, California experiences a hot-summer Mediterranean climate. January temperatures typically hover around 49°F, while July averages climb to 78°F — creating a 29°F seasonal swing.
Throughout the year, Sacramento collects approximately 19 inches of precipitation across roughly 38 rainy days.
Geography shapes Sacramento's weather patterns through its latitude at 38.6°N, nearby water bodies, and elevation. These factors determine what plants thrive, when frost threatens, and how daily weather unfolds.
ZIP codes in Sacramento
- 95821
- 95820
- 95823
- 95838
- 95832
- 95833
- 95831
- 95834
- 95835
- 95811
- 95814
- 95815
- 95818
- 95819
- 95828
- 95822
- 95825
- 95824
- 95826
- 95816
- 95817
- 94203
- 94204
- 94205
- 94209
- 94229
- 94230
- 94232
- 94235
- 94236
- 94237
- 94239
- 94240
- 94244
- 94247
- 94248
- 94249
- 94250
- 94252
- 94254
- 94256
- 94257
- 94258
- 94259
- 94261
- 94262
- 94263
- 94267
- 94268
- 94269
- 94271
- 94273
- 94274
- 94277
- 94278
- 94279
- 94280
- 94283
- 94284
- 94285
- 94287
- 94288
- 94289
- 94290
- 94293
- 94294
- 94295
- 94296
- 94297
- 94298
- 94299
- 95812
- 95813
- 95840
- 95851
- 95852
- 95853
- 95867
- 95894