Idaho weather live forecast

Today's maximum temperature in Idaho is expected to be 82°F. Select a day from the live weather forecast for Idaho (Boise), USA for more weather parameters.

Tuesday
22nd Sep
82

59

9

6
Wednesday
23rd Sep
84

59

11

6
Thursday
24th Sep
91

63

12

6
Friday
25th Sep
81

59

8

6
Saturday
26th Sep
66

48

2

5

5-day weather forecast updated at 04:00 on Tuesday 22nd 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 Tuesday 22nd September 2026

Expect scattered clouds in Idaho with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

82
°F maximum temperature
59
°F minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
6
mph wind from E

Idaho weather for Wednesday 23rd September 2026

Expect scattered clouds in Idaho with a maximum temperature of 84°F, 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 light breeze of 7 mph from the south-east.

84
°F maximum temperature
59
°F minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
7
mph wind from SE

Idaho weather for Thursday 24th September 2026

Expect scattered clouds in Idaho with a maximum temperature of 91°F, 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 14 mph from the south-east.

91
°F maximum temperature
63
°F minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
mph wind from SE

Idaho weather for Friday 25th September 2026

Expect scattered clouds in Idaho with a maximum temperature of 81°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 18 mph from the north-west.

81
°F maximum temperature
59
°F minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
81
°F wind chill
18
mph wind from NW

Idaho weather for Saturday 26th September 2026

Expect broken clouds in Idaho with a maximum temperature of 66°F, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.