National Weather Service Forecast for: Idyllwild CA
Issued by: National Weather Service San Diego, CA
Updated: 12:34 am PDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 75. Northeast wind around 5 mph.
Mostly Clear

Thursday

Thursday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
Thursday
Night
Thursday Night: Mostly clear, with a low around 73. Northwest wind around 5 mph.
Mostly Clear

Friday

Friday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southwest in the morning.  Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
Friday
Night
Friday Night: Mostly clear, with a low around 73. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Saturday

Saturday: A slight chance of showers and thunderstorms after 11am.  Sunny, with a high near 87. Chance of precipitation is 20%.
Slight Chance
T-storms

Saturday
Night
Saturday Night: Mostly clear, with a low around 73.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 86.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 73.
Mostly Clear

Lo 75 °F Hi 88 °F Lo 73 °F Hi 87 °F Lo 73 °F Hi 87 °F Lo 73 °F Hi 86 °F Lo 73 °F

 

Overnight
 
Mostly clear, with a low around 75. Northeast wind around 5 mph.
Thursday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
 
Mostly clear, with a low around 73. Northwest wind around 5 mph.
Friday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northwest wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 20%.
Friday Night
 
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Saturday
 
A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 87. Chance of precipitation is 20%.
Saturday Night
 
Mostly clear, with a low around 73.
Sunday
 
Sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 73.
Monday
 
Sunny, with a high near 87.
Monday Night
 
Mostly clear, with a low around 73.
Tuesday
 
A slight chance of showers. Sunny, with a high near 87.
Tuesday Night
 
Mostly clear, with a low around 74.
Wednesday
 
A slight chance of showers. Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Idyllwild CA.