Berkeley, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Berkeley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——57°52°—
- MondayJul 6Light Drizzle—0.02″55°53°-2°
- TuesdayJul 7Foggy——67°53°+12°
- WednesdayJul 8Overcast——71°56°+4°
- ThursdayJul 9Partly Cloudy——72°57°+1°
- FridayJul 10Overcast——74°55°+2°
- SaturdayJul 11Overcast——79°57°+5°
AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:28 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Berkeley at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 94702, 94703, 94704, 94705, 94707, 94708, 94709, 94710 +1 more
16-Day Forecast — Berkeley
- Sun57°52°4%
- Mon55°53°3%
- Tue67°53°9%
- Wed71°56°0%
- Thu72°57°0%
- Fri74°55°0%
- Sat79°57°0%
- Sun80°59°1%
- Mon86°64°3%
- Tue84°64°6%
- Wed73°63°0%
- Thu93°66°2%
- Fri98°73°0%
- Sat96°76°0%
- Sun84°62°3%
- Mon71°59°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Berkeley
Right now in the garden
Peak growing season
As of July 5, 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.
Microseason · July 1–5
Summer heat deepens across the valleys
Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.
Day 186 of 365 · Wedge 37 of 72
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
The year in Berkeley tops out in September (~67°F) and dips lowest in December (~49°F), with January wettest at 3.6 inches and July driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 49° | 3.6″ | 14 |
| February | 51° | 3.5″ | 12 |
| March | 53° | 2.8″ | 14 |
| April | 57° | 1.5″ | 9 |
| May | 62° | 0.6″ | 5 |
| June | 65° | 0.1″ | 2 |
| July | 67° | 0.0″ | 0 |
| August | 66° | 0.0″ | 1 |
| September | 67° | 0.1″ | 2 |
| October | 63° | 0.6″ | 4 |
| November | 55° | 2.2″ | 9 |
| December | 49° | 3.2″ | 12 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Berkeley sees 49°F Januarys and 67°F Julys, a 18°F range, plus around 18.1 inches of precipitation across 85 days.
Cool-season fronts carry Berkeley's rain: January logs 3.6 inches on 13.7 days, against July's 0.0 inches on 0.3 — winter does the heavy lifting in Berkeley. That cool-season-wet pattern aligns Berkeley with places like Albany, CA, Kensington, CA and Emeryville, CA.
Freezes are uncommon in Berkeley, where the coldest month averages 49°F; cool-season crops grow fall through spring. Summer heat in September (about 67°F) is the binding constraint, not cold. Within Berkeley, low or inland lots lose 3-5°F overnight versus Berkeley's coastal ground.
Similar climates: Albany, CA, Kensington, CA, Emeryville, CA, El Cerrito, CA, Piedmont, CA.
Frequently asked
- When does it freeze in Berkeley?
- In Berkeley, expect the last spring frost near mid-April; Berkeley's first autumn frost comes around mid-November.
- What is the rainy season in Berkeley?
- Rainfall in Berkeley peaks in January near 3.6 inches, out of about 18 inches annually.
- What is the warmest month in Berkeley?
- On average September tops the year in Berkeley at about 67°F.
- What is the coldest month in Berkeley?
- The coldest stretch in Berkeley falls in December, around 49°F on average.
- When can I start a vegetable garden in Berkeley?
- Around mid-April, start frost-hardy crops in Berkeley; tomatoes and basil belong a fortnight later.
- How many rainy days does Berkeley get?
- Berkeley records around 85 days of measurable precipitation annually.
- What hardiness zone is Berkeley?
- With December around 49°F, Berkeley's zone reflects that minimum — the USDA ZIP map confirms Berkeley's band.
- What is the 10-day forecast for Berkeley?
- Berkeley'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 Berkeley?
- See this week's day-by-day rain chances for Berkeley in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Berkeley?
- Current conditions for Berkeley and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Berkeley forecast updated?
- The Berkeley forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Berkeley?
- Today's sunrise and sunset times for Berkeley 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 Berkeley?
- The next few days in Berkeley's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The hot-summer Mediterranean climate of Berkeley, California carries typical Januarys near 49°F and Julys around 67°F — 18°F of seasonal travel.
Rain and snow bring Berkeley roughly 18 inches a year across approximately 85 measurable-precipitation days.
From 37.9°N, Berkeley sees a 18°F seasonal swing that governs Berkeley's planting and frost windows.
ZIP codes in Berkeley
- 94708
- 94707
- 94705
- 94704
- 94703
- 94702
- 94709
- 94710
- 94720
- 94701
- 94712