Idaho weather live forecast

Today's maximum temperature in Idaho is expected to be 18°C. Select a day from the live weather forecast for Idaho (Boise), USA for more weather parameters.

Sunday
27th Sep
18

11

4

4
Monday
28th Sep
24

10

11

5
Tuesday
29th Sep
24

7

12

6
Wednesday
30th Sep
24

9

10

6
Thursday
1st Oct
25

7

11

6

5-day weather forecast updated at 04:00 on Monday 28th September 2026 GMT

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The 5-day weather forecast for Idaho (Boise) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Idaho destinations

Below are temperatures expected today at popular countries, regions and places in Idaho. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

All Idaho destinations

Idaho weather forecast by day

Below are the detailed weather forecasts for Idaho for the next 5 days. The forecasts shown are for Boise and may not represent the whole of Idaho. Browse more destinations in Idaho to view more weather forecasts.

Idaho weather for Sunday 27th September 2026

Expect broken clouds in Idaho with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
20
kph wind from NW

Idaho weather for Monday 28th September 2026

Expect scattered clouds in Idaho with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

24
°C maximum temperature
10
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
21
kph wind from NW

Idaho weather for Tuesday 29th September 2026

Expect clear skies in Idaho with a maximum temperature of 24°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

24
°C maximum temperature
7
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
17
kph wind from NW

Idaho weather for Wednesday 30th September 2026

Expect scattered clouds in Idaho with a maximum temperature of 24°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

24
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
24
°C wind chill
20
kph wind from NW

Idaho weather for Thursday 1st October 2026

Expect clear skies in Idaho with a maximum temperature of 25°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.