Richmond, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Richmond weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——63°53°—
- MondayJul 6Foggy——62°54°-1°
- TuesdayJul 7Overcast——71°53°+9°
- WednesdayJul 8Mostly Clear——74°56°+3°
- ThursdayJul 9Clear——77°58°+3°
- FridayJul 10Overcast——79°58°+2°
- SaturdayJul 11Overcast——79°61°0°
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
Richmond at a glance
- Today vs. normal: 16°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 codes: 94801, 94804, 94805
16-Day Forecast — Richmond
- Sun63°53°3%
- Mon62°54°2%
- Tue71°53°3%
- Wed74°56°0%
- Thu77°58°0%
- Fri79°58°0%
- Sat79°61°0%
- Sun73°61°1%
- Mon93°68°3%
- Tue88°67°6%
- Wed85°65°0%
- Thu87°63°2%
- Fri90°66°0%
- Sat81°63°0%
- Sun78°60°3%
- Mon79°59°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Richmond
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 Richmond, 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
Richmond swings from 50°F in January to 71°F in July (21°F) per NOAA NCEI 1991-2020 normals; precipitation in Richmond runs about 21.5 inches on roughly 75 measurable days.
Precipitation in Richmond peaks in the cool season: December averages 4.5 inches across 15.0 storm-fed days, while July bottoms out at 0.0 inches over just 1.0 rainy days. It is a winter-storm rhythm Richmond shares with places like San Pablo, CA, Rollingwood, CA and East Richmond Heights, CA.
Hard freezes are rare in Richmond: the coldest month averages 50°F, so Richmond'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. Across Richmond, elevation and tree cover drive a 4-7°F spread in Richmond's overnight lows.
Similar climates: San Pablo, CA, Rollingwood, CA, East Richmond Heights, CA, North Richmond, CA, El Cerrito, CA.
Naturalist notes
By late May, fledgling Anna's hummingbirds begin visiting backyard feeders around Richmond's hill neighborhoods as the first brood of the season leaves the nest, timed to the late-spring pulse of blooming coastal sage.
Barn swallows returning to the bayshore in May start collecting mud for their cup-shaped nests under docks and bridges, a signal that insect activity over the water is finally peaking for the season.
Frequently asked
- When does it freeze in Richmond?
- In Richmond, expect the last spring frost near mid-April; Richmond's first autumn frost comes around mid-November.
- What is the rainy season in Richmond?
- Richmond sees its heaviest rain in December (around 4.5 inches), part of roughly 21 inches a year.
- What is the warmest month in Richmond?
- September is Richmond's warmest month, averaging about 71°F.
- What is the coldest month in Richmond?
- Richmond bottoms out in January, with a mean near 50°F.
- When can I start a vegetable garden in Richmond?
- Time tomatoes in Richmond for two weeks after mid-April; peas and greens start at Richmond's frost line.
- How many rainy days does Richmond get?
- Richmond averages about 75 days with measurable rain or snow each year.
- What hardiness zone is Richmond?
- Richmond's hardiness zone tracks its winter low; with January near 50°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Richmond?
- Richmond'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 Richmond?
- See this week's day-by-day rain chances for Richmond in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Richmond?
- Current conditions for Richmond and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Richmond forecast updated?
- The Richmond forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Richmond?
- Today's sunrise and sunset times for Richmond 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 Richmond?
- The next few days in Richmond's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Richmond's hot-summer Mediterranean climate in California pairs 50°F Januarys with 71°F Julys, 21°F apart across the seasons.
In a typical year Richmond records about 21 inches of precipitation on around 75 days.
At 37.9°N, Richmond's 21°F summer-to-winter swing sets when Richmond's gardens wake and when frost returns.
ZIP codes in Richmond
- 94530
- 94801
- 94803
- 94804
- 94805
- 94806
- 94802
- 94807
- 94808
- 94850