Boise weather live forecast

Today's maximum temperature in Boise is expected to be 36°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Wednesday
22nd Jul
36

23

9

8
Thursday
23rd Jul
37

21

15

8
Friday
24th Jul
39

21

8

9
Saturday
25th Jul
37

21

12

9
Sunday
26th Jul
34

18

12

9

5-day weather forecast updated at 04:00 on Wednesday 22nd July 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.

Boise weather forecast by day

Below are the detailed weather forecasts for Boise for the next 5 days.

Boise weather for Wednesday 22nd July 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 36°C, high 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 gentle breeze of 16 kph from the north-west.

36
°C maximum temperature
23
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from NW

Boise weather for Thursday 23rd July 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

37
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from E

Boise weather for Friday 24th July 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 39°C, very high 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 gentle breeze of 13 kph from the east.

39
°C maximum temperature
21
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
13
kph wind from E

Boise weather for Saturday 25th July 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 37°C, high 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 gentle breeze of 15 kph from the west.

37
°C maximum temperature
21
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
15
kph wind from W

Boise weather for Sunday 26th July 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 34°C, high 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 gentle breeze of 14 kph from the north-west.