San Joaquin, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Joaquin, CA in one place.
Mostly sunny, with a high near 83. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for San Joaquin, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 14, 2026 10:09 PM PDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for San Joaquin, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 10:09 PM PDT
- Forecast office
- HNX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Joaquin
Sunday looks like the warmest upcoming period in San Joaquin at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 10:09 PM PDT
- Coverage
- 3 days
- Time zone
- America/Los_Angeles
- Forecast office
- HNX
- Radar station
- KHNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain after 5am. Mostly cloudy, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of rain. Partly sunny, with a high near 73. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain before 11pm. Mostly cloudy, with a low around 46. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 70. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
83°F |
5 to 10 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Cloudy then Chance Light Rain
|
48°F |
5 to 10 mph
NW
|
|
Monday
Apr 20
|
Chance Light Rain
|
73°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Slight Chance Light Rain then Mostly Cloudy
|
46°F |
5 to 10 mph
WNW
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
70°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Joaquin.
