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 90. Northeast wind 15 to 20 mph, with gusts as high as 30 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: Oct 15, 2026 10:40 AM PDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for San Dimas, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 10:40 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Dimas
Friday looks like the warmest upcoming period in San Dimas at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:40 AM PDT
- Coverage
- 7 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 68. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 88. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 64.
Sunny, with a high near 85.
Clear, with a low around 63.
Sunny, with a high near 82.
Mostly clear, with a low around 60.
A slight chance of rain showers after 11am. Mostly sunny, with a high near 74.
A chance of rain showers. Partly cloudy, with a low around 57.
A chance of rain showers. Partly sunny, with a high near 71.
A chance of rain showers. Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
90°F |
15 to 20 mph
NE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
68°F |
15 mph
NE
|
|
Saturday
Oct 17
|
Sunny
|
88°F |
5 to 15 mph
ENE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
64°F |
5 to 15 mph
ENE
|
|
Sunday
Oct 18
|
Sunny
|
85°F |
0 to 10 mph
S
|
|
Sunday Night
Oct 18
|
Clear
|
63°F |
0 to 5 mph
W
|
|
Monday
Oct 19
|
Sunny
|
82°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
60°F |
0 to 10 mph
S
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers
|
74°F |
5 to 10 mph
S
|
|
Tuesday Night
Oct 20
|
Chance Rain Showers
|
57°F |
0 to 10 mph
S
|
|
Wednesday
Oct 21
|
Chance Rain Showers
|
71°F |
0 to 5 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
55°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Dimas.
