Westminster, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westminster, CA in one place.
Mostly sunny, with a high near 74.
Local Weather Overview
This forecast page for Westminster, 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 14, 2026 11:09 PM PDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for Westminster, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 11:09 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Westminster
Sunday looks like the warmest upcoming period in Westminster at 74 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph W.
The forecast from Apr 19 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 14, 2026 11:09 PM PDT
- Coverage
- 3 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 55.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 54.
Sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
74°F |
0 to 10 mph
SW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
55°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
70°F |
5 to 15 mph
W
|
|
Monday Night
Apr 20
|
Mostly Clear
|
54°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 21
|
Sunny
|
69°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Westminster.