San Joaquin, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Joaquin, CA in one place.
Sunny, with a high near 91. Northwest wind around 5 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: Sep 22, 2026 4:13 AM PDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for San Joaquin, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 4:13 AM PDT
- Forecast office
- HNX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Joaquin
Thursday looks like the warmest upcoming period in San Joaquin at 96 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph NNW.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 4:13 AM PDT
- Coverage
- 6 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
Clear, with a low around 59. Northwest wind 0 to 5 mph.
Sunny, with a high near 96. North northwest wind 0 to 5 mph.
Mostly clear, with a low around 61. Northwest wind around 5 mph.
Sunny, with a high near 88. North northwest wind 5 to 10 mph.
Mostly clear, with a low around 58. Northwest wind 5 to 10 mph.
Sunny, with a high near 88. North northwest wind 0 to 5 mph.
Mostly clear, with a low around 56. North northwest wind around 5 mph.
Sunny, with a high near 84. Northwest wind around 5 mph.
Mostly clear, with a low around 54. Northwest wind around 5 mph.
Sunny, with a high near 84. Northwest wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Sunny
|
91°F |
5 mph
NW
|
|
Wednesday Night
Sep 23
|
Clear
|
59°F |
0 to 5 mph
NW
|
|
Thursday
Sep 24
|
Sunny
|
96°F |
0 to 5 mph
NNW
|
|
Thursday Night
Sep 24
|
Mostly Clear
|
61°F |
5 mph
NW
|
|
Friday
Sep 25
|
Sunny
|
88°F |
5 to 10 mph
NNW
|
|
Friday Night
Sep 25
|
Mostly Clear
|
58°F |
5 to 10 mph
NW
|
|
Saturday
Sep 26
|
Sunny
|
88°F |
0 to 5 mph
NNW
|
|
Saturday Night
Sep 26
|
Mostly Clear
|
56°F |
5 mph
NNW
|
|
Sunday
Sep 27
|
Sunny
|
84°F |
5 mph
NW
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
54°F |
5 mph
NW
|
|
Monday
Sep 28
|
Sunny
|
84°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Joaquin.