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.

Thursday
30th Oct
10

-3

7

3
Friday
31st Oct
11

-2

8

3
Saturday
1st Nov
14

0

9

4
Sunday
2nd Nov
14

1

4

2
Monday
3rd Nov
14

0

3

3

5-day weather forecast updated at 04:01 on Thursday 30th October 2025 GMT

More about Sun Valley

Sun Valley by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

Candlewood Suites: Current hotel offers & deals

Sale

Browse latest deals & discounts on Candlewood Suites
Save with hotel offers, package deals & more
Book hotels in the USA, Canada, Mexico & beyond

Go to Candlewood Suites deal >>

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 Thursday 30th October 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

10
°C maximum temperature
-3
°C minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
9
°C wind chill
8
kph wind from N

Sun Valley weather for Friday 31st October 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

11
°C maximum temperature
-2
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from N

Sun Valley weather for Saturday 1st November 2025

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

14
°C maximum temperature
0
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

Sun Valley weather for Sunday 2nd November 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

14
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NW

Sun Valley weather for Monday 3rd November 2025

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

14
°C maximum temperature
0
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from N

Marriott: Hotel deals & packages

Sale

Save on your next trip with deals & packages
Includes hotel, flight, cars & more packages
Discover Bangkok, Sydney, Toronto & beyond

Go to Marriott deal >>

View all Marriott offers

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Idaho - quick facts
Flight time^✝	13 hours
Time difference	UK -7 to -8 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Idaho Department of Commerce - Tourism Development