San Joaquin County, CA Weather Forecast
County weather hub
Sunny
Compare major city weather across San Joaquin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 93.
County Weather Overview
This county weather page brings together forecast coverage for San Joaquin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 10 of 10 mapped cities in San Joaquin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 1 to Jun 2, 2026
- Latest sync
- May 27, 2026 2:32 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in San Joaquin County
Tuesday looks like the warmest upcoming period in San Joaquin County at 95 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 9 mph NW.
The forecast from Jun 1 through Jun 2 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 2:32 AM PDT
- Coverage
- 2 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 59.
Sunny, with a high near 95.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Sunny
|
93°F |
2 to 7 mph
NW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
59°F |
3 to 7 mph
WNW
|
|
Tuesday
Jun 2
|
Sunny
|
95°F |
3 to 9 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across San Joaquin County.
Coverage
Forecast coverage currently spans 10 of 10 mapped cities in San Joaquin County.
Largest mapped city population in this region: 312,716.
