Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 6°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Monday
12th Jan
6

-5

7

2
Tuesday
13th Jan
8

-2

5

2
Wednesday
14th Jan
7

-3

9

2
Thursday
15th Jan
7

-4

9

2
Friday
16th Jan
5

-6

9

2

5-day weather forecast updated at 04:01 on Monday 12th January 2026 GMT

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The 5-day weather forecast for Idaho (Sun Valley) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Sun Valley weather forecast by day

Below are the detailed weather forecasts for Sun Valley for the next 5 days.

Sun Valley weather for Monday 12th January 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 6°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

6
°C maximum temperature
-5
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
7
kph wind from NW

Sun Valley weather for Tuesday 13th January 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 8°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

8
°C maximum temperature
-2
°C minimum temperature
scattered clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
9
kph wind from N

Sun Valley weather for Wednesday 14th January 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 7°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

7
°C maximum temperature
-3
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
8
kph wind from N

Sun Valley weather for Thursday 15th January 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 7°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

7
°C maximum temperature
-4
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
10
kph wind from N

Sun Valley weather for Friday 16th January 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.