National Weather Service Forecast for: 3 Miles WNW San Bernardino CA
Issued by: National Weather Service San Diego, CA
Updated: 2:58 am PST Dec 22, 2025
 
Today

Today: Partly sunny, with a high near 75. Calm wind becoming southwest around 5 mph.
Partly Sunny

 Tonight

Tonight: Mostly cloudy, with a low around 52. Calm wind.
Mostly Cloudy

 Tuesday

Tuesday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 66. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Rain then
Rain Likely
 Tuesday
Night
Tuesday Night: Rain. The rain could be heavy at times. Low around 54. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain

 Wednesday

Wednesday: Rain, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 62. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Heavy Rain

 Wednesday
Night
Wednesday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Chance of precipitation is 100%.
Heavy Rain

 Christmas
Day
Christmas Day: Rain. High near 61. Chance of precipitation is 90%.
Rain

 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 50.
Showers

 Friday

Friday: Showers. Cloudy, with a high near 59.
Showers
Hi 75 °F Lo 52 °F Hi 66 °F Lo 54 °F Hi 62 °F Lo 51 °F Hi 61 °F Lo 50 °F Hi 59 °F

Air Quality Alert
Flood Watch
Dense Fog Advisory
 

Today
 
 Partly sunny, with a high near 75. Calm wind becoming southwest around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 52. Calm wind.
Tuesday
 
 Rain likely, mainly after 4pm. Mostly cloudy, with a high near 66. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
 Rain. The rain could be heavy at times. Low around 54. Southeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Rain, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 62. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
 
 Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 51. Chance of precipitation is 100%.
Christmas Day
 
 Rain. High near 61. Chance of precipitation is 90%.
Thursday Night
 
 Showers. Cloudy, with a low around 50.
Friday
 
 Showers. Cloudy, with a high near 59.
Friday Night
 
 Showers likely, mainly before 10pm. Mostly cloudy, with a low around 45.
Saturday
 
 A chance of showers. Partly sunny, with a high near 61.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 44.
Sunday
 
 A slight chance of showers. Mostly sunny, with a high near 63.

 

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