San Dimas, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Dimas, CA in one place.
Sunny, with a high near 88. Southwest wind 0 to 10 mph.
Local Weather Overview
This forecast page for San Dimas, 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: Jul 17, 2026 3:27 AM PDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for San Dimas, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 3:27 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Dimas
Wednesday looks like the warmest upcoming period in San Dimas at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph SW.
The forecast from Jul 18 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 3:27 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- 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 64. Southwest wind 0 to 10 mph.
Sunny, with a high near 90.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 88.
Mostly clear, with a low around 65.
Sunny, with a high near 91.
Mostly clear, with a low around 66.
Sunny, with a high near 94.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
88°F |
0 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
64°F |
0 to 10 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
90°F |
0 to 10 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
64°F |
0 to 10 mph
SW
|
|
Monday
Jul 20
|
Mostly Sunny
|
88°F |
0 to 10 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
65°F |
0 to 10 mph
SSW
|
|
Tuesday
Jul 21
|
Sunny
|
91°F |
0 to 10 mph
SSW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
66°F |
0 to 10 mph
WSW
|
|
Wednesday
Jul 22
|
Sunny
|
94°F |
0 to 10 mph
WSW
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
67°F |
0 to 10 mph
WSW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
94°F |
0 to 10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Dimas.
