National Weather Service Forecast for: Lake Arrowhead, CA
Issued by: National Weather Service San Diego, CA
Updated: Mon, 22-Sep-2025 1:06pm PDT

Lake Arrowhead
 
This
Afternoon
This Afternoon: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday

Sunday: Sunny
Sunny
Hi 68 °F Hi 74 °F Hi 69 °F Hi 63 °F Hi 65 °F Hi 66 °F Hi 67 °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: Mostly Clear
Mostly Clear
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Lo 62 °F Lo 62 °F Lo 55 °F Lo 54 °F Lo 55 °F Lo 56 °F Lo 58 °F

 

This Afternoon
 
Sunny, with a high near 68. Southwest wind around 5 mph.
Tonight
 
Mostly clear, with a low around 62. Southeast wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 74. South wind around 5 mph.
Tuesday Night
 
Mostly clear, with a low around 62. South wind 0 to 5 mph.
Wednesday
 
Mostly sunny, with a high near 69. South wind 0 to 5 mph.
Wednesday Night
 
Mostly clear, with a low around 55.
Thursday
 
Sunny, with a high near 63.
Thursday Night
 
Mostly clear, with a low around 54.
Friday
 
Sunny, with a high near 65.
Friday Night
 
Mostly clear, with a low around 55.
Saturday
 
A slight chance of showers and thunderstorms between 11am and 5pm. Sunny, with a high near 66.
Saturday Night
 
Mostly clear, with a low around 56.
Sunday
 
Sunny, with a high near 67.
Sunday Night
 
Mostly clear, with a low around 58.

 

Forecast from NOAA-NWS for Lake Arrowhead, CA.