National Weather Service Forecast for: 8 Miles N Upland CA
Issued by: National Weather Service San Diego, CA
Updated: 12:51 pm PST Dec 23, 2025
 
Overnight

Overnight: Showers. The rain could be heavy at times. Low around 42. South wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain


 Wednesday

Wednesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.
Heavy Rain
and Windy

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 40. Breezy, with a south wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
and Breezy

 Christmas
Day
Christmas Day: Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 53. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Showers
Likely and
Breezy

 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 40. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Heavy Rain
and Windy

 Friday

Friday: Rain showers before 4pm, then a chance of rain and snow showers. Snow level 6500 feet. High near 51. Chance of precipitation is 100%. Little or no snow accumulation expected.
Showers then
Rain/Snow
Likely

 Friday
Night
Friday Night: A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Slight
Chance Snow
Showers
 Saturday

Saturday: Mostly sunny, with a high near 52.
Mostly Sunny


 Saturday
Night
Saturday Night: Mostly clear, with a low around 35.
Mostly Clear
Lo 42 °F Hi 56 °F Lo 40 °F Hi 53 °F Lo 40 °F Hi 51 °F Lo 35 °F Hi 52 °F Lo 35 °F

Flood Watch
High Wind Warning
 

Overnight
 
 Showers. The rain could be heavy at times. Low around 42. South wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts in excess of 4 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 40. Breezy, with a south wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Christmas Day
 
 Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 53. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 40. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
 
 Rain showers before 4pm, then a chance of rain and snow showers. Snow level 6500 feet. High near 51. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
 
 A chance of rain and snow showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
 
 Mostly sunny, with a high near 52.
Saturday Night
 
 Mostly clear, with a low around 35.
Sunday
 
 Sunny, with a high near 53.
Sunday Night
 
 Clear, with a low around 38.
Monday
 
 Sunny, with a high near 56.
Monday Night
 
 A slight chance of showers. Partly cloudy, with a low around 41.
Tuesday
 
 A chance of showers. Mostly sunny, with a high near 60.

 

Forecast from NOAA-NWS for 8 Miles N Upland CA.