San Pablo, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
San Pablo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——64°53°—
- MondayJul 6Foggy——64°54°0°
- TuesdayJul 7Overcast——71°53°+7°
- WednesdayJul 8Mostly Clear——76°56°+5°
- ThursdayJul 9Overcast——75°58°-1°
- FridayJul 10Overcast——79°57°+4°
- SaturdayJul 11Overcast——82°60°+3°
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
San Pablo at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 94806
16-Day Forecast — San Pablo
- Sun65°53°2%
- Mon64°54°1%
- Tue71°53°2%
- Wed76°56°0%
- Thu75°58°0%
- Fri79°57°0%
- Sat82°60°0%
- Sun85°60°1%
- Mon93°68°2%
- Tue88°67°6%
- Wed73°63°0%
- Thu94°68°2%
- Fri102°73°0%
- Sat101°76°0%
- Sun87°65°3%
- Mon76°61°3%
Forecast data from Open-Meteo (CC BY 4.0).
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
In San Pablo, September runs warmest near 71°F and January coldest around 50°F, while December is the wettest month (4.5 inches) and July the driest (0.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 50° | 4.5″ | 15 |
| February | 54° | 3.6″ | 12 |
| March | 57° | 3.2″ | 11 |
| April | 60° | 1.4″ | 5 |
| May | 65° | 0.8″ | 3 |
| June | 69° | 0.2″ | 1 |
| July | 71° | 0.0″ | 1 |
| August | 71° | 0.0″ | 1 |
| September | 71° | 0.1″ | 1 |
| October | 66° | 1.0″ | 3 |
| November | 56° | 2.2″ | 7 |
| December | 50° | 4.5″ | 15 |
Regional context
San Pablo swings from 50°F in January to 71°F in July (21°F) per NOAA NCEI 1991-2020 normals; precipitation in San Pablo runs about 21.5 inches on roughly 75 measurable days.
Cool-season fronts carry San Pablo's rain: December logs 4.5 inches on 15.0 days, against July's 0.0 inches on 1.0 — winter does the heavy lifting in San Pablo. That groups San Pablo with places like Rollingwood, CA, Richmond, CA and North Richmond, CA on the same cool-season storm track.
Hard freezes are rare in San Pablo: the coldest month averages 50°F, so San Pablo's growing window runs most of the year. September is the hottest stretch near 71°F, pushing cool-season crops to the milder shoulder months. Within San Pablo, low or inland lots lose 3-5°F overnight versus San Pablo's coastal ground.
Similar climates: Rollingwood, CA, Richmond, CA, North Richmond, CA, East Richmond Heights, CA, Montalvin Manor, CA.
Frequently asked
- When does it freeze in San Pablo?
- Frost typically leaves San Pablo by mid-April and returns to San Pablo near mid-November.
- What is the rainy season in San Pablo?
- San Pablo sees its heaviest rain in December (around 4.5 inches), part of roughly 21 inches a year.
- What is the warmest month in San Pablo?
- September is San Pablo's warmest month, averaging about 71°F.
- What is the coldest month in San Pablo?
- San Pablo bottoms out in January, with a mean near 50°F.
- When can I start a vegetable garden in San Pablo?
- San Pablo's last frost (mid-April) cues hardy greens; in San Pablo, hold heat-lovers two weeks past.
- How many rainy days does San Pablo get?
- San Pablo records around 75 days of measurable precipitation annually.
- What hardiness zone is San Pablo?
- San Pablo sits in the USDA zone set by January lows near 50°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for San Pablo?
- San Pablo'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 San Pablo?
- See this week's day-by-day rain chances for San Pablo in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in San Pablo?
- Current conditions for San Pablo and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the San Pablo forecast updated?
- The San Pablo forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in San Pablo?
- Today's sunrise and sunset times for San Pablo 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 San Pablo?
- The next few days in San Pablo's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
San Pablo, California has a hot-summer Mediterranean climate: January averages roughly 50°F, July about 71°F, 21°F between them.
Yearly precipitation in San Pablo totals around 21 inches, spread over about 75 days of rain or snow.
Latitude 38.0°N gives San Pablo its 21°F swing, and with it the rhythm of San Pablo's growing season.
ZIP codes in San Pablo
- 94806