National Weather Service Forecast for: Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA
Updated: Thu, 19-Feb-2026 12:36pm PST

Lake Arrowhead
 
This
Afternoon
This Afternoon: Chance Snow Showers
Chance Snow Showers
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Slight Chance Rain Showers
Slight Chance Rain Showers
Hi 34 °F Hi 35 °F Hi 45 °F Hi 52 °F Hi 57 °F Hi 56 °F Hi 54 °F
 
Tonight

Tonight: Chance Snow Showers then Mostly Cloudy
Chance Snow Showers then Mostly Cloudy
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Partly Cloudy then Slight Chance Rain Showers
Partly Cloudy then Slight Chance Rain Showers
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Lo 22 °F Lo 26 °F Lo 33 °F Lo 39 °F Lo 44 °F Lo 44 °F Lo 43 °F

Winter Storm Warning
 

This Afternoon
 
A chance of snow showers and patchy fog. Mostly cloudy, with a high near 34. Southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible.
Tonight
 
A chance of snow showers and patchy fog before 10pm. Mostly cloudy, with a low around 22. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of 1 to 3 inches possible.
Friday
 
Mostly sunny, with a high near 35. South wind 0 to 5 mph.
Friday Night
 
Mostly clear, with a low around 26. Southeast wind 0 to 5 mph.
Saturday
 
Sunny, with a high near 45. Southeast wind around 5 mph.
Saturday Night
 
Partly cloudy, with a low around 33.
Sunday
 
Sunny, with a high near 52.
Sunday Night
 
Partly cloudy, with a low around 39.
Monday
 
Mostly sunny, with a high near 57.
Monday Night
 
Partly cloudy, with a low around 44.
Tuesday
 
Mostly sunny, with a high near 56.
Tuesday Night
 
A slight chance of rain showers after 4am. Partly cloudy, with a low around 44.
Wednesday
 
A slight chance of rain showers before 4pm. Mostly sunny, with a high near 54.
Wednesday Night
 
Partly cloudy, with a low around 43.

 

Forecast from NOAA-NWS for Lake Arrowhead, CA.