National Weather Service Forecast for: Sun Valley NV
Issued by: National Weather Service Reno, NV
Updated: 11:20 am PDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 84. Calm wind becoming southeast around 5 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Mostly Clear

 Friday

Friday: Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 50. West wind 5 to 10 mph.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 78. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Partly Sunny
then Mostly
Sunny and
Breezy
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 43. Breezy, with a west wind 15 to 20 mph becoming light in the evening. Winds could gust as high as 30 mph.
Partly Cloudy
and Breezy
then Mostly
Clear
 Sunday

Sunday: Sunny, with a high near 74.
Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 46.
Partly Cloudy

 Monday

Monday: Mostly sunny, with a high near 77.
Mostly Sunny
Hi 84 °F Lo 50 °F Hi 86 °F Lo 50 °F Hi 78 °F Lo 43 °F Hi 74 °F Lo 46 °F Hi 77 °F

 

This Afternoon
 
 Sunny, with a high near 84. Calm wind becoming southeast around 5 mph.
Tonight
 
 Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 50. West wind 5 to 10 mph.
Saturday
 
 Mostly sunny, with a high near 78. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
 Partly cloudy, with a low around 43. Breezy, with a west wind 15 to 20 mph becoming light in the evening. Winds could gust as high as 30 mph.
Sunday
 
 Sunny, with a high near 74.
Sunday Night
 
 Partly cloudy, with a low around 46.
Monday
 
 Mostly sunny, with a high near 77.
Monday Night
 
 Partly cloudy, with a low around 47.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 46.
Wednesday
 
 Sunny, with a high near 73.

 

Forecast from NOAA-NWS for Sun Valley NV.