Oakland, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Oakland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——66°53°—
- MondayJul 6Foggy——65°54°-1°
- TuesdayJul 7Foggy——67°53°+2°
- WednesdayJul 8Overcast——76°53°+9°
- ThursdayJul 9Overcast——74°55°-2°
- FridayJul 10Overcast——77°52°+3°
- SaturdayJul 11Overcast——81°54°+4°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 4.5 µg/m³ (AQI 25), ratio 0.66 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.
What's driving it
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25), ratio 0.66 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.66
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:28 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Oakland at a glance
- Today vs. normal: 14°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: 94601, 94602, 94603, 94605, 94606, 94607, 94609, 94610 +6 more
16-Day Forecast — Oakland
- Sun66°53°1%
- Mon65°54°1%
- Tue67°53°5%
- Wed76°53°0%
- Thu74°55°0%
- Fri77°52°0%
- Sat81°54°0%
- Sun85°53°1%
- Mon88°58°3%
- Tue88°57°7%
- Wed80°58°0%
- Thu96°62°3%
- Fri101°64°0%
- Sat96°63°3%
- Sun85°57°0%
- Mon75°54°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Oakland
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 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 | 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
In Oakland, NOAA NCEI 1991-2020 normals put January near 49°F and July near 67°F — a 18°F seasonal arc — with about 18.1 inches of precipitation over 85 rainy or snowy days.
Oakland's moisture rides winter storm tracks: January brings 3.6 inches over 13.7 wet days, while July sees only 0.0 inches across 0.3 days 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. Within Oakland, low or inland lots lose 3-5°F overnight versus Oakland's coastal ground.
Similar climates: Piedmont, CA, Alameda, CA, Emeryville, CA, Moraga, CA, Berkeley, CA.
Naturalist notes
Late May brings the peak blooming period for California poppies across Oakland's hillsides, their orange petals opening with the morning sun.
By mid-May, Allen's hummingbirds have completed their northward migration, establishing territories in Oakland's gardens and parks.
Frequently asked
- When does it freeze in Oakland?
- Oakland's last spring frost lands near mid-April, and in Oakland the first fall frost follows around mid-November.
- 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?
- Frost-hardy sowings begin at mid-April in Oakland; warm-season starts follow two weeks on.
- How many rainy days does Oakland get?
- Expect roughly 85 wet days a year in Oakland.
- 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.
Climate
Oakland's hot-summer Mediterranean climate in California pairs 49°F Januarys with 67°F Julys, 18°F apart across the seasons.
Oakland sees close to 18 inches of precipitation annually, falling across some 85 wet days.
At 37.8°N, Oakland's 18°F summer-to-winter swing sets when Oakland's gardens wake and when frost returns.
ZIP codes in Oakland
- 94621
- 94705
- 94611
- 94610
- 94613
- 94612
- 94619
- 94618
- 94606
- 94607
- 94602
- 94603
- 94601
- 94609
- 94720
- 94605
- 94608
- 94604
- 94614
- 94615
- 94617
- 94620
- 94623
- 94624
- 94649
- 94659
- 94660
- 94661
- 94666