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

Today: Cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Decreasing
Clouds
Tonight

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

Tuesday: Mostly sunny, with a high near 69. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. West wind 5 to 10 mph becoming light and variable  in the evening.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 56.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 78.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 58.
Mostly Clear
Friday

Friday: Sunny, with a high near 80.
Sunny
Hi 69 °F Lo 55 °F Hi 69 °F Lo 54 °F Hi 73 °F Lo 56 °F Hi 78 °F Lo 58 °F Hi 80 °F

 

Today
 
Cloudy, then gradually becoming mostly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
 
A slight chance of showers after 11pm. Mostly cloudy, with a low around 55. West wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.
Tuesday
 
Mostly sunny, with a high near 69. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly clear, with a low around 54. West wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
Sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
 
Mostly clear, with a low around 56.
Thursday
 
Sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 58.
Friday
 
Sunny, with a high near 80.
Friday Night
 
Mostly clear, with a low around 59.
Saturday
 
Sunny, with a high near 82.
Saturday Night
 
Mostly clear, with a low around 61.
Sunday
 
Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Santa Ana CA.