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 99. East northeast wind 5 to 15 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: Oct 15, 2026 6:52 PM PDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Westmont, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 6:52 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Westmont
Friday looks like the warmest upcoming period in Westmont at 99 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday Night at about 5 to 20 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 6:52 PM 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 72. Northeast wind 5 to 10 mph.
Sunny, with a high near 94. North wind 5 to 15 mph.
Mostly clear, with a low around 69.
Sunny, with a high near 86.
Mostly clear, with a low around 65.
Sunny, with a high near 80.
Mostly clear, with a low around 62.
A chance of rain showers after 5pm. Mostly sunny, with a high near 71.
Rain showers likely. Mostly cloudy, with a low around 60.
Rain showers likely. Partly sunny, with a high near 68.
A chance of rain showers. Mostly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
99°F |
5 to 15 mph
ENE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
72°F |
5 to 10 mph
NE
|
|
Saturday
Oct 17
|
Sunny
|
94°F |
5 to 15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
69°F |
0 to 10 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
86°F |
5 to 10 mph
E
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
65°F |
0 to 10 mph
WNW
|
|
Monday
Oct 19
|
Sunny
|
80°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
62°F |
5 to 10 mph
SSW
|
|
Tuesday
Oct 20
|
Mostly Sunny then Chance Rain Showers
|
71°F |
5 to 15 mph
SSW
|
|
Tuesday Night
Oct 20
|
Rain Showers Likely
|
60°F |
5 to 20 mph
SSW
|
|
Wednesday
Oct 21
|
Rain Showers Likely
|
68°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers
|
58°F |
5 to 15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westmont.
