National Weather Service forecast

Sun Valley, Idaho Weather

26°Overnight: Mostly Cloudy
Wind N 5 mph
7-DayHourlyRadar

Sun Valley 7-Day Forecast

  1. Overnight
    26°F
    Mostly Cloudy
    1% chance of precipitation

    Mostly cloudy. Low around 26, with temperatures rising to around 28 overnight. North wind around 5 mph.

  2. Wednesday
    49°F
    Mostly Sunny
    1% chance of precipitation

    Mostly sunny. High near 49, with temperatures falling to around 42 in the afternoon. West northwest wind 1 to 7 mph.

  3. Wednesday Night
    25°F
    Areas Of Fog

    Areas of fog after 9pm. Partly cloudy, with a low around 25. North northeast wind around 3 mph.

  4. Thursday
    44°F
    Areas Of Fog
    3% chance of precipitation

    Areas of fog. Mostly cloudy, with a high near 44. West wind 2 to 7 mph.

  5. Thursday Night
    21°F
    Areas Of Fog
    3% chance of precipitation

    Areas of fog before 5am. Mostly clear, with a low around 21. Northwest wind around 6 mph.

  6. Friday
    47°F
    Sunny

    Sunny, with a high near 47.

  7. Friday Night
    26°F
    Partly Cloudy

    Partly cloudy, with a low around 26.

  8. Saturday
    51°F
    Sunny

    Sunny, with a high near 51.

  9. Saturday Night
    29°F
    Partly Cloudy

    Partly cloudy, with a low around 29.

  10. Sunday
    54°F
    Mostly Sunny

    Mostly sunny, with a high near 54.

  11. Sunday Night
    30°F
    Partly Cloudy

    Partly cloudy, with a low around 30.

  12. Monday
    53°F
    Mostly Sunny

    Mostly sunny, with a high near 53.

  13. Monday Night
    30°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 30.

  14. Tuesday
    52°F
    Mostly Sunny
    8% chance of precipitation

    Mostly sunny, with a high near 52.

Issued by the National Weather Service (PIH office), updated .

Sun Valley Hourly Forecast

Loading the next 48 hours…

Full 100+ hour forecast for Sun Valley

Sun Valley Weather Radar

Open the full radar for Sun Valley

About Sun Valley

Population (2020 Census)
1,783
Coordinates
43.684, -114.334
Elevation
6,385 ft
NWS forecast office
PIH
Time zone
America/Boise
Sunrise today
7:17 AM MST
Sunset today
5:24 PM MST
Daylight today
10 h 8 min

Sun Valley Weather Questions

What is the weather forecast for Sun Valley, Idaho?

Overnight: Mostly cloudy. Low around 26, with temperatures rising to around 28 overnight. North wind around 5 mph. Wednesday: Mostly sunny. High near 49, with temperatures falling to around 42 in the afternoon. West northwest wind 1 to 7 mph.

Will it rain or snow in Sun Valley this week?

Not much. The highest chance of precipitation in the 7-day forecast is 8%, Tuesday.

How warm and how cold will it get in Sun Valley this week?

The warmest day is Sunday, with a high near 54°F. The coldest night is Thursday Night, with a low near 21°F.

What time are sunrise and sunset in Sun Valley today?

Sunrise is at 7:17 AM MST and sunset is at 5:24 PM MST, for 10 h 8 min of daylight.

Weather near Sun Valley

Largest cities in Idaho

All Idaho cities