National Weather Service Forecast for: Alpine CA
Issued by: National Weather Service San Diego, CA
Updated: 2:58 am PST Dec 22, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 57. East wind around 5 mph.
Mostly Cloudy
 Monday

Monday: Partly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Partly Sunny
 Monday
Night
Monday Night: Cloudy, with a low around 54. Southeast wind around 5 mph.
Cloudy
 Tuesday

Tuesday: A chance of rain after 4pm. Cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 30%.
Cloudy then
Chance Rain
 Tuesday
Night
Tuesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 57. Southeast wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Rain Likely
 Wednesday

Wednesday: Rain. The rain could be heavy at times. High near 63. Chance of precipitation is 100%.
Heavy Rain
 Wednesday
Night
Wednesday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 57. Chance of precipitation is 100%.
Heavy Rain
 Christmas
Day
Christmas Day: Rain. Mostly cloudy, with a high near 62.
Rain
 Thursday
Night
Thursday Night: Showers. Cloudy, with a low around 54.
Showers
Lo 57 °F Hi 73 °F Lo 54 °F Hi 64 °F Lo 57 °F Hi 63 °F Lo 57 °F Hi 62 °F Lo 54 °F

Flood Watch
Dense Fog Advisory
 

Overnight
 
 Mostly cloudy, with a low around 57. East wind around 5 mph.
Monday
 
 Partly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
 
 Cloudy, with a low around 54. Southeast wind around 5 mph.
Tuesday
 
 A chance of rain after 4pm. Cloudy, with a high near 64. South wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
 
 Rain likely, mainly after 10pm. Mostly cloudy, with a low around 57. Southeast wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain. The rain could be heavy at times. High near 63. Chance of precipitation is 100%.
Wednesday Night
 
 Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 57. Chance of precipitation is 100%.
Christmas Day
 
 Rain. Mostly cloudy, with a high near 62.
Thursday Night
 
 Showers. Cloudy, with a low around 54.
Friday
 
 Showers. Mostly cloudy, with a high near 58.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 49.
Saturday
 
 A chance of showers. Mostly sunny, with a high near 59.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 47.
Sunday
 
 A slight chance of showers. Mostly sunny, with a high near 62.

 

Forecast from NOAA-NWS for Alpine CA.