Stockton, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Stockton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——89°60°—
- MondayJul 6Overcast——88°56°-1°
- TuesdayJul 7Clear——97°57°+9°
- WednesdayJul 8Clear——98°58°+1°
- ThursdayJul 9Clear——102°62°+4°
- FridayJul 10Overcast——104°64°+2°
- SaturdayJul 11Overcast——105°70°+1°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.75 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm 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
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.75 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Stockton at a glance
- Today vs. normal: 73°F — typical for the season
- 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: 95202, 95203, 95204, 95205, 95206, 95207, 95209, 95210 +4 more
16-Day Forecast — Stockton
- Sun89°60°0%
- Mon88°56°0%
- Tue97°57°0%
- Wed98°58°0%
- Thu102°62°0%
- Fri104°64°0%
- Sat105°70°0%
- Sun91°72°1%
- Mon103°69°3%
- Tue107°71°5%
- Wed108°71°1%
- Thu109°72°3%
- Fri111°76°3%
- Sat109°76°3%
- Sun106°71°3%
- Mon104°67°6%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Stockton
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 Stockton tops out in July (~75°F) and dips lowest in December (~47°F), with January wettest at 3.8 inches and August driest at 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 3.8″ | 13 |
| February | 50° | 3.6″ | 11 |
| March | 53° | 3.1″ | 12 |
| April | 59° | 1.5″ | 8 |
| May | 66° | 0.6″ | 4 |
| June | 72° | 0.1″ | 1 |
| July | 75° | 0.0″ | 0 |
| August | 74° | 0.0″ | 0 |
| September | 72° | 0.1″ | 1 |
| October | 65° | 0.7″ | 3 |
| November | 54° | 2.5″ | 9 |
| December | 47° | 3.6″ | 12 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Stockton's January averages 47°F and July 75°F — 28°F apart — while precipitation totals roughly 19.7 inches over some 72 days.
Stockton's moisture rides winter storm tracks: January brings 3.8 inches over 12.5 wet days, while August sees only 0.0 inches across 0.2 days in the dry warm season. That groups Stockton with places like Country Club, CA, Lincoln Village, CA and August, CA on the same cool-season storm track.
Freezes are uncommon in Stockton, where the coldest month averages 47°F; cool-season crops grow fall through spring. Summer heat in July (about 75°F) is the binding constraint, not cold. Across Stockton, elevation and tree cover drive a 4-7°F spread in Stockton's overnight lows.
Similar climates: Country Club, CA, Lincoln Village, CA, August, CA, Garden Acres, CA, Taft Mosswood, CA.
Naturalist notes
Valley oaks begin dropping their acorns in late May as temperatures climb steadily toward summer.
Red-winged blackbirds establish territories in the marshes and waterways during late spring courtship season.
Frequently asked
- When does it freeze in Stockton?
- In Stockton, expect the last spring frost near mid-April; Stockton's first autumn frost comes around mid-November.
- What is the rainy season in Stockton?
- Stockton sees its heaviest rain in January (around 3.8 inches), part of roughly 20 inches a year.
- What is the warmest month in Stockton?
- Stockton peaks in July, when the mean runs near 75°F.
- What is the coldest month in Stockton?
- December is Stockton's coldest month, averaging about 47°F.
- When can I start a vegetable garden in Stockton?
- Around mid-April, start frost-hardy crops in Stockton; tomatoes and basil belong a fortnight later.
- How many rainy days does Stockton get?
- Stockton averages about 72 days with measurable rain or snow each year.
- What hardiness zone is Stockton?
- Since December in Stockton averages 47°F, Stockton's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Stockton?
- Stockton'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 Stockton?
- See this week's day-by-day rain chances for Stockton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Stockton?
- Current conditions for Stockton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Stockton forecast updated?
- The Stockton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Stockton?
- Today's sunrise and sunset times for Stockton 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 Stockton?
- The next few days in Stockton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a hot-summer Mediterranean zone, Stockton, California swings from 47°F in the heart of winter to 75°F at midsummer — a 28°F arc.
Across the year, Stockton collects about 20 inches of precipitation over roughly 72 days with measurable rain or snow.
Stockton's 28°F range, set by its 38.0°N position, drives frost timing and what thrives in Stockton.
ZIP codes in Stockton
- 95219
- 95212
- 95210
- 95211
- 95209
- 95207
- 95203
- 95205
- 95204
- 95206
- 95202
- 95201
- 95267
- 95269
- 95296
- 95297