Idaho weather live forecast

Today's maximum temperature in Idaho is expected to be 29°C. Select a day from the live weather forecast for Idaho (Boise), USA for more weather parameters.

Wednesday
23rd Sep
29

14

11

6
Thursday
24th Sep
32

17

12

6
Friday
25th Sep
29

15

5

5
Saturday
26th Sep
19

10

2

4
Sunday
27th Sep
22

10

8

5

5-day weather forecast updated at 04:00 on Wednesday 23rd 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 Wednesday 23rd September 2026

Expect clear skies in Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

29
°C maximum temperature
14
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from SE

Idaho weather for Thursday 24th September 2026

Expect clear skies in Idaho with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

32
°C maximum temperature
17
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

Idaho weather for Friday 25th September 2026

Expect broken clouds in Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-west.

29
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
30
kph wind from NW

Idaho weather for Saturday 26th September 2026

Expect broken clouds in Idaho with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

19
°C maximum temperature
10
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
16
kph wind from NW

Idaho weather for Sunday 27th September 2026

Expect broken clouds in Idaho with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.