National Weather Service Forecast for: 3 Miles WNW San Bernardino CA
Issued by: National Weather Service San Diego, CA
Updated: 12:14 pm PDT Apr 6, 2026
 
Tonight

Tonight: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 82. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Mostly Clear

 Thursday

Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Patchy Fog
then Partly
Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 55.
Mostly Cloudy

 Friday

Friday: A slight chance of showers after 11am. Mostly sunny, with a high near 75.
Slight Chance
Showers
 Friday
Night
Friday Night: A chance of showers, mainly after 11pm. Partly cloudy, with a low around 53.
Chance
Showers
Lo 56 °F Hi 82 °F Lo 57 °F Hi 82 °F Lo 57 °F Hi 78 °F Lo 55 °F Hi 75 °F Lo 53 °F

 

Tonight
 
 Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Tuesday
 
 Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
 Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
 
 Sunny, with a high near 82. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Thursday
 
 Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Thursday Night
 
 Mostly cloudy, with a low around 55.
Friday
 
 A slight chance of showers after 11am. Mostly sunny, with a high near 75.
Friday Night
 
 A chance of showers, mainly after 11pm. Partly cloudy, with a low around 53.
Saturday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 66.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 51.
Sunday
 
 A slight chance of showers. Partly sunny, with a high near 66.
Sunday Night
 
 Mostly cloudy, with a low around 50.
Monday
 
 Mostly sunny, with a high near 71.

 

Forecast from NOAA-NWS for 3 Miles WNW San Bernardino CA.