Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 13°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Wednesday
14th Oct
13

-2

7

4
Thursday
15th Oct
15

-1

11

4
Friday
16th Oct
17

-1

11

5
Saturday
17th Oct
16

1

9

4
Sunday
18th Oct
16

1

10

4

5-day weather forecast updated at 04:01 on Wednesday 14th October 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 Wednesday 14th October 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

13
°C maximum temperature
-2
°C minimum temperature
scattered clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
6
kph wind from N

Sun Valley weather for Thursday 15th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

15
°C maximum temperature
-1
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

Sun Valley weather for Friday 16th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north.

17
°C maximum temperature
-1
°C minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from N

Sun Valley weather for Saturday 17th October 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

16
°C maximum temperature
1
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Sun Valley weather for Sunday 18th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.