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
26th Aug
36

21

6

7
Thursday
27th Aug
35

20

9

8
Friday
28th Aug
27

16

3

6
Saturday
29th Aug
29

17

12

7
Sunday
30th Aug
28

11

13

7

5-day weather forecast updated at 04:00 on Wednesday 26th August 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 26th August 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

36
°C maximum temperature
21
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from E

Boise weather for Thursday 27th August 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 35°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 15 kph from the east.

35
°C maximum temperature
20
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
15
kph wind from E

Boise weather for Friday 28th August 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

27
°C maximum temperature
16
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from SE

Boise weather for Saturday 29th August 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (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.

29
°C maximum temperature
17
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from NW

Boise weather for Sunday 30th August 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.