Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 8°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Friday
30th Oct
8

1

0

1
Saturday
31st Oct
9

1

0

2
Sunday
1st Nov
8

1

0

1
Monday
2nd Nov
9

-2

9

3
Tuesday
3rd Nov
10

-4

7

2

5-day weather forecast updated at 04:01 on Friday 30th 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 Friday 30th October 2026

Expect cloudy with some rain in Sun Valley, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 100% chance of some rain and little or no wind of 4 kph from the north-east.

8
°C maximum temperature
1
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
4
kph wind from NE

Sun Valley weather for Saturday 31st October 2026

Expect mostly cloudy with light rain in Sun Valley, Idaho with a maximum temperature of 9°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and little or no wind of 3 kph from the south-east.

9
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
2
UV index (Low)
92
% chance of some rain
<5
mm of rainfall expected
9
°C wind chill
3
kph wind from SE

Sun Valley weather for Sunday 1st November 2026

Expect mostly cloudy with rain in Sun Valley, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and little or no wind of 2 kph from the south-east.

8
°C maximum temperature
1
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
2
kph wind from SE

Sun Valley weather for Monday 2nd November 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 9°C, maximum UV of 3 (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.

9
°C maximum temperature
-2
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Sun Valley weather for Tuesday 3rd November 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 10°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north.