San Jacinto, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Jacinto, CA in one place.
Sunny, with a high near 76.
Local Weather Overview
This forecast page for San Jacinto, 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 15, 2026 7:47 AM PDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for San Jacinto, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:47 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Jacinto
Sunday looks like the warmest upcoming period in San Jacinto at 83 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph NW.
The forecast from Apr 17 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 7:47 AM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
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 48.
Sunny, with a high near 82.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 47.
Sunny, with a high near 78.
Partly cloudy, with a low around 46.
Sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Sunny
|
76°F |
0 to 10 mph
NW
|
|
Friday Night
Apr 17
|
Mostly Clear
|
48°F |
0 to 10 mph
E
|
|
Saturday
Apr 18
|
Sunny
|
82°F |
0 to 5 mph
E
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
50°F |
0 to 5 mph
S
|
|
Sunday
Apr 19
|
Mostly Sunny
|
83°F |
0 to 10 mph
SE
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
47°F |
0 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
78°F |
0 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
46°F |
0 to 10 mph
SW
|
|
Tuesday
Apr 21
|
Sunny
|
76°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Jacinto.