Westmont, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westmont, CA in one place.
Sunny, with a high near 84. North wind 5 to 15 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Westmont, 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 16, 2026 12:28 AM PDT.
The active forecast window currently covers Apr 17 to Apr 22, 2026 for Westmont, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 12:28 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Westmont
Friday looks like the warmest upcoming period in Westmont at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph N.
The forecast from Apr 17 through Apr 22 stays mostly dry.
Forecast Details
- Last updated
- Apr 16, 2026 12:28 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 55. North northwest wind 0 to 15 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 55.
Sunny, with a high near 71.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Sunny
|
84°F |
5 to 15 mph
N
|
|
Friday Night
Apr 17
|
Mostly Clear
|
55°F |
0 to 15 mph
NNW
|
|
Saturday
Apr 18
|
Mostly Sunny
|
82°F |
5 to 10 mph
SE
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
56°F |
0 to 10 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
75°F |
0 to 10 mph
SSW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
55°F |
0 to 10 mph
WSW
|
|
Monday
Apr 20
|
Sunny
|
71°F |
0 to 15 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
54°F |
0 to 15 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
71°F |
0 to 15 mph
WSW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
54°F |
0 to 15 mph
W
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
72°F |
0 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westmont.
