Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 10°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Tuesday
13th Oct
10

0

7

4
Wednesday
14th Oct
13

-3

11

4
Thursday
15th Oct
16

-2

11

4
Friday
16th Oct
17

0

11

5
Saturday
17th Oct
16

1

11

4

5-day weather forecast updated at 04:01 on Tuesday 13th 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 Tuesday 13th October 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 10°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 5 kph from the north-west.

10
°C maximum temperature
0
°C minimum temperature
broken clouds
7
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NW

Sun Valley weather for Wednesday 14th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

13
°C maximum temperature
-3
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
5
kph wind from N

Sun Valley weather for Thursday 15th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

16
°C maximum temperature
-2
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
6
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 5 kph from the north.