Weather in Sun Valley, Idaho, United States

7-Day Detailed Weather Forecast for Sun Valley

This Afternoon

Temperature: 47°F

Wind Speed: 3 mph

Wind Direction: SSE

Forecast: Mostly cloudy. High near 47, with temperatures falling to around 42 in the afternoon. South southeast wind around 3 mph.

Tonight

Temperature: 26°F

Wind Speed: 5 mph

Wind Direction: NNW

Forecast: Mostly cloudy, with a low around 26. North northwest wind around 5 mph.

Sunday

Temperature: 48°F

Wind Speed: 6 mph

Wind Direction: NW

Forecast: Partly sunny. High near 48, with temperatures falling to around 43 in the afternoon. Northwest wind around 6 mph.

Sunday Night

Temperature: 19°F

Wind Speed: 6 mph

Wind Direction: NNW

Forecast: Partly cloudy, with a low around 19. North northwest wind around 6 mph.

Monday

Temperature: 45°F

Wind Speed: 2 to 6 mph

Wind Direction: WNW

Forecast: Sunny, with a high near 45. West northwest wind 2 to 6 mph.

Monday Night

Temperature: 21°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 21.

Tuesday

Temperature: 49°F

Wind Speed: 5 mph

Wind Direction: WNW

Forecast: Mostly sunny, with a high near 49.

Tuesday Night

Temperature: 25°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 25.

Wednesday

Temperature: 52°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Sunny, with a high near 52.

Wednesday Night

Temperature: 28°F

Wind Speed: 5 mph

Wind Direction: NNW

Forecast: Mostly clear, with a low around 28.

Thursday

Temperature: 55°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Sunny, with a high near 55.

Thursday Night

Temperature: 28°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 28.

Friday

Temperature: 53°F

Wind Speed: 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 53.

Friday Night

Temperature: 25°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 25.