Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 23°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Sunday
10th May
23

5

13

8
Monday
11th May
26

8

12

8
Tuesday
12th May
28

9

9

8
Wednesday
13th May
25

10

14

7
Thursday
14th May
18

3

15

8

5-day weather forecast updated at 04:01 on Sunday 10th May 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 Sunday 10th May 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

23
°C maximum temperature
5
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
13
kph wind from S

Sun Valley weather for Monday 11th May 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

26
°C maximum temperature
8
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from W

Sun Valley weather for Tuesday 12th May 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

28
°C maximum temperature
9
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from N

Sun Valley weather for Wednesday 13th May 2026

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 25°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 19 kph from the south.

25
°C maximum temperature
10
°C minimum temperature
sunshine and showers
14
hours of sunshine
7
UV index (High)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from S

Sun Valley weather for Thursday 14th May 2026

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the south-west.