11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
16°
Feels like 16°
Wind↑ NNW 7 km/h
Humidity 59 %
Evening
Partly cloudy
16°
Feels like 16°
Wind↑ SE 11 km/h
Gusts35 km/h
Humidity 51 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
18°
Feels like 18°
Wind↑ SSE 11 km/h
Gusts24 km/h
Humidity 41 %
Evening
Light rain
14°
Feels like 14°
Wind↑ ESE 4 km/h
Humidity 71 %
💧 1.8 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain
16°
Feels like 16°
Wind↑ S 23 km/h
Gusts47 km/h
Humidity 83 %
💧 18.1 mm
Evening
Light rain
13°
Feels like 13°
Wind↑ SW 18 km/h
Gusts36 km/h
Humidity 81 %
💧 2.6 mm
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Stockton forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Stockton climate: what a normal year looks like
Day and night differ most in July: 32 °C in the afternoon against 16 °C before dawn, a 16 °C swing.
A normal year brings roughly 510 mm of rain — less than 86% of the towns of 20,000+ people we compared it with.
The wet season is concentrated from December to February, which brings 56% of the annual total; January by itself averages 100 mm.
Afternoons reach 30 °C or more in July and August; the typical peak is 32 °C in July.
Forecast highs for the coming week average 21 °C, 4 °C cooler than a normal October (25 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
14 °C
5 °C
100 mm
Feb
17 °C
7 °C
95 mm
Mar
19 °C
9 °C
78 mm
Apr
22 °C
10 °C
41 mm
May
26 °C
13 °C
22 mm
Jun
30 °C
15 °C
4 mm
Jul
32 °C
16 °C
0 mm
Aug
31 °C
16 °C
1 mm
Sep
30 °C
15 °C
2 mm
Oct
25 °C
12 °C
25 mm
Nov
19 °C
8 °C
49 mm
Dec
14 °C
5 °C
91 mm
Whole year
23 °C
11 °C
510 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 37.96° N, 121.29° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Stockton: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.53µg/m³
PM1010µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Stockton
Rain observed over the last two hours by official weather radars around Stockton, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Stockton
Waning gibbous
87 % illuminated · 18.3 days
Rise 22:42 Set 13:45
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (America/Los_Angeles); phase and lit fraction from a synodic calculation.
Look up a past day in Stockton
Curious about the weather in Stockton on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Stockton weather at a glance
This page gathers everything about the weather in Stockton, California: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 8 °C (feels like 8 °C) and the wind blows at 1 km/h.
Expected range today: 8 °C to 20 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Stockton forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
