National Weather Service Forecast for: Westminster CA
Issued by: National Weather Service San Diego, CA
Updated: 12:37 am PDT May 4, 2026
 
Today

Today: Mostly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
Tonight

Tonight: A slight chance of showers after 11pm.  Mostly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.
Slight Chance
Showers
Tuesday

Tuesday: Mostly sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 75.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
Friday

Friday: Partly sunny, then gradually becoming sunny, with a high near 77.
Becoming
Sunny
Hi 68 °F Lo 55 °F Hi 68 °F Lo 54 °F Hi 71 °F Lo 56 °F Hi 75 °F Lo 58 °F Hi 77 °F

 

Today
 
Mostly sunny, with a high near 68. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
A slight chance of showers after 11pm. Mostly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
 
Mostly sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
 
Mostly clear, with a low around 54. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
 
Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 56.
Thursday
 
Sunny, with a high near 75.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Partly sunny, then gradually becoming sunny, with a high near 77.
Friday Night
 
Mostly clear, with a low around 59.
Saturday
 
Mostly sunny, with a high near 79.
Saturday Night
 
Mostly clear, with a low around 60.
Sunday
 
Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Westminster CA.