Oakland, California Weather
Ceanothus blooms again. Day 93 of summer. Read this microseason across nine climate regions →
Oakland weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 7:24 AM PDT · Open-Meteo
- TodaySep 21Overcast——63°56°—
- TuesdaySep 22Overcast——70°56°+7°
- WednesdaySep 23Clear——83°54°+13°
- ThursdaySep 24Overcast——76°55°-7°
- FridaySep 25Overcast——72°55°-4°
- SaturdaySep 26Overcast——74°53°+2°
- SundaySep 27Overcast——71°54°-3°
Air quality now AQI 49 · Good
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.5 µg/m³ (AQI 47) with a 0.66 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.5 µg/m³ (AQI 47) with a 0.66 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.66
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:39 PM
- Moonset
- 1:43 AM
- In sign
- ♑︎ Capricorn
Ceanothus blooms again
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Oakland at a glance
- Today vs. normal: Today averages 60°F (high 63°F, low 56°F), 6°F below the 66°F normal for Sep 21
- Last frost: None in most years — 32°F in 3% of 1991–2020 years (NOAA station 4 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant lettuce, peas, spinach, radishes; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Oakland
- Mon63°56°1%
- Tue70°56°2%
- Wed83°54°0%
- Thu76°55°0%
- Fri72°55°0%
- Sat74°53°0%
- Sun71°54°1%
- Mon80°52°1%
- Tue93°58°1%
- Wed94°61°4%
- Thu94°64°1%
- Fri95°73°6%
- Sat100°70°0%
- Sun84°57°0%
- Mon77°53°0%
- Tue73°53°0%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Oakland
Interactive wind and temperature map centered on Oakland — it loads in your browser. Open the full weather map.
Right now in the garden
Year-round growing
As of September 21, sowing here runs through the year. Freezes are uncommon, so there is no frost date to plan around; heat and rainfall set the calendar instead. This city's planting calendar for September: plant lettuce, peas, spinach, and radishes; harvest lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, and winter squash.
Sun & seasons in Oakland
Oakland sits in Alameda County, where the year’s longest day runs 14h 47m of daylight and its shortest just 9h 33m — a swing of +5h 14m 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 331 miles to the SE. The nearest town Oakland tracks is San Francisco, roughly 13 miles to the W.
Air quality in Oakland
Air quality in Oakland’s county has trended cleaner since 2020; its cleanest year on record was 2023 (median AQI 48). See the full air-quality history for Oakland.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| February | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| March | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| April | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, summer squash |
| July | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash |
| August | lettuce, peas, spinach, radishes, beans, squash | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| September | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| October | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, summer squash, winter squash |
| November | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
| December | lettuce, peas, spinach, radishes | lettuce, peas, spinach, radishes |
A year in weather
The year in Oakland 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 |
|---|---|---|
| January | 49° | 3.6″ |
| February | 51° | 3.5″ |
| March | 53° | 2.8″ |
| April | 57° | 1.5″ |
| May | 62° | 0.6″ |
| June | 65° | 0.1″ |
| July | 67° | 0.0″ |
| August | 66° | 0.0″ |
| September | 67° | 0.1″ |
| October | 63° | 0.6″ |
| November | 55° | 2.2″ |
| December | 49° | 3.2″ |
Regional context
Similar climates Piedmont, CA, Alameda, CA, Emeryville, CA
In Oakland, modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo) put January near 49°F and July near 67°F — an 18°F seasonal arc — with about 18.1 inches of precipitation.
Oakland's moisture rides winter storm tracks: January brings 3.6 inches, while July sees only 0.0 inches in the dry warm season. That cool-season-wet pattern aligns Oakland with places like Piedmont, CA, Alameda, CA and Emeryville, CA.
With a coldest-month mean of 49°F, Oakland stays mostly frost-free and grows year-round. The September peak near 67°F is Oakland's real limit, pushing cool-season vegetables to spring and fall. Oakland's open lawns chill fastest on clear nights.
Similar climates: Piedmont, CA, Alameda, CA, Emeryville, CA, Moraga, CA, Berkeley, CA.
Frequently asked
- When does it freeze in Oakland?
- Most years Oakland doesn't freeze: the nearest NOAA station reached 32°F in 3% of 1991–2020 years, so Oakland has no reliable frost date.
- What is the rainy season in Oakland?
- January is the wettest month in Oakland, about 3.6 inches on average; the year totals roughly 18 inches.
- What is the warmest month in Oakland?
- September is Oakland's warmest month, averaging about 67°F.
- What is the coldest month in Oakland?
- Oakland bottoms out in December, with a mean near 49°F.
- When can I start a vegetable garden in Oakland?
- Oakland has no frost date to wait for, so sowing runs year-round; lettuce and greens do best when Oakland's coldest month settles near 49°F.
- What hardiness zone is Oakland?
- Oakland's hardiness zone tracks its winter low; with December near 49°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Oakland?
- Oakland'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 Oakland?
- See this week's day-by-day rain chances for Oakland in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Oakland?
- Current conditions for Oakland and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Oakland forecast updated?
- The Oakland forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Oakland?
- Today's sunrise and sunset times for Oakland 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 Oakland?
- The next few days in Oakland's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Oakland sits at 37.8°N; its climate zone is hot-summer Mediterranean (Köppen approximation).
ZIP codes in Oakland
- 94601
- 94602
- 94603
- 94604
- 94605
- 94606
- 94607
- 94608
- 94609
- 94610
- 94611
- 94612
- 94613
- 94614
- 94615
- 94617
- 94618
- 94619
- 94620
- 94621
- 94623
- 94624
- 94649
- 94659
- 94660
- 94661
- 94666
- 94705
- 94720