National Weather Service Forecast for: Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA
Updated: Mon, 06-Apr-2026 12:14pm PDT

Lake Arrowhead
 
This
Afternoon
This Afternoon: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Slight Chance Rain Showers
Slight Chance Rain Showers
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday

Sunday: Chance Rain Showers
Chance Rain Showers
Hi 63 °F Hi 66 °F Hi 65 °F Hi 60 °F Hi 57 °F Hi 47 °F Hi 47 °F
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Rain Showers Likely
Rain Showers Likely
Saturday
Night
Saturday Night: Chance Rain Showers
Chance Rain Showers
Sunday
Night
Sunday Night: Slight Chance Rain Showers then Mostly Cloudy
Slight Chance Rain Showers then Mostly Cloudy
Lo 47 °F Lo 48 °F Lo 47 °F Lo 45 °F Lo 43 °F Lo 41 °F Lo 39 °F

 

This Afternoon
 
Sunny, with a high near 63. Southwest wind around 10 mph.
Tonight
 
Mostly clear, with a low around 47. Southeast wind 5 to 10 mph.
Tuesday
 
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Tuesday Night
 
Mostly clear, with a low around 48. East wind 0 to 10 mph.
Wednesday
 
Sunny, with a high near 65. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 47.
Thursday
 
Mostly sunny, with a high near 60.
Thursday Night
 
Partly cloudy, with a low around 45.
Friday
 
A slight chance of rain showers after 11am. Mostly sunny, with a high near 57.
Friday Night
 
Rain showers likely. Mostly cloudy, with a low around 43.
Saturday
 
Rain showers likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 47.
Saturday Night
 
A chance of rain showers. Mostly cloudy, with a low around 41.
Sunday
 
A chance of rain showers. Partly sunny, with a high near 47.
Sunday Night
 
A slight chance of rain showers before 11pm. Mostly cloudy, with a low around 39.

 

Forecast from NOAA-NWS for Lake Arrowhead, CA.