Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 7°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Monday
12th Oct
7

-1

0

3
Tuesday
13th Oct
12

-3

5

4
Wednesday
14th Oct
14

-3

11

4
Thursday
15th Oct
17

-1

11

5
Friday
16th Oct
17

0

11

4

5-day weather forecast updated at 04:00 on Monday 12th 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 Monday 12th October 2026

Expect cloudy with sleet or snow in Sun Valley, Idaho with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 66% chance of some sleet or snow and little or no wind of 3 kph from the south.

7
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
3
UV index (Moderate)
66
% chance of some sleet or snow
<5
mm of sleet/snow expected
0
no heat & humidity
3
kph wind from S

Sun Valley weather for Tuesday 13th October 2026

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

12
°C maximum temperature
-3
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
12
°C wind chill
5
kph wind from N

Sun Valley weather for Wednesday 14th October 2026

Expect clear skies in Sun Valley, Idaho with a maximum temperature of 14°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.

14
°C maximum temperature
-3
°C minimum temperature
clear skies
11
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 Thursday 15th 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 6 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
17
°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 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.