Sun Valley weather live forecast

Today's maximum temperature in Sun Valley is expected to be 31°C. Select a day from the live weather forecast for Sun Valley, Idaho, USA for more weather parameters.

Sunday
5th Jul
31

14

8

9
Monday
6th Jul
28

15

7

10
Tuesday
7th Jul
30

11

12

9
Wednesday
8th Jul
30

14

12

10
Thursday
9th Jul
30

11

12

10

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

Expect broken clouds in Sun Valley, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.

31
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from N

Sun Valley weather for Monday 6th July 2026

Expect sunshine and showers in Sun Valley, Idaho with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 13 kph from the north.

28
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
10
UV index (Very High)
21
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
13
kph wind from N

Sun Valley weather for Tuesday 7th July 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

30
°C maximum temperature
11
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from W

Sun Valley weather for Wednesday 8th July 2026

Expect isolated thunderstorms in Sun Valley, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 21 kph from the west.

30
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
10
UV index (Very High)
12
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from W

Sun Valley weather for Thursday 9th July 2026

Expect scattered clouds in Sun Valley, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the west.