Boise weather live forecast

Today's maximum temperature in Boise is expected to be 31°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Saturday
23rd May
31

8

13

UV8
Sunday
24th May
30

15

13

UV8
Monday
25th May
33

16

9

UV7
Tuesday
26th May
19

11

2

UV6
Wednesday
27th May
19

8

7

UV3

5-day weather forecast updated at 04:00 on Sunday 24th May 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 Saturday 23rd May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

31
°C maximum temperature
8
°C minimum temperature
scattered clouds
13
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

Boise weather for Sunday 24th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

30
°C maximum temperature
15
°C minimum temperature
scattered clouds
13
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from NW

Boise weather for Monday 25th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.

33
°C maximum temperature
16
°C minimum temperature
scattered clouds
9
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from S

Boise weather for Tuesday 26th May 2026

Expect mostly cloudy with light rain in Boise, Idaho with a maximum temperature of 19°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 26 kph from the north-west.

19
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV6
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
26
kph wind from NW

Boise weather for Wednesday 27th May 2026

Expect sunshine and showers in Boise, Idaho with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 20 kph from the north-west.