Boise weather live forecast

Today's maximum temperature in Boise is expected to be 33°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Monday
25th May
33

14

11

UV7
Tuesday
26th May
20

11

1

UV4
Wednesday
27th May
25

10

5

UV7
Thursday
28th May
27

13

6

UV7
Friday
29th May
24

13

8

UV5

5-day weather forecast updated at 04:00 on Tuesday 26th 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 Monday 25th May 2026

Expect isolated thunderstorms in Boise, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 2-5 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 18 kph from the east.

33
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
UV7
UV index (High)
15
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

Boise weather for Tuesday 26th May 2026

Expect mostly cloudy with light rain in Boise, Idaho with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 27 kph from the north-west.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV4
UV index (Moderate)
47
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
27
kph wind from NW

Boise weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Boise, Idaho with a maximum temperature of 25°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 17 kph from the north-west.

25
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
UV7
UV index (High)
33
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Boise weather for Thursday 28th May 2026

Expect sunshine and showers in Boise, Idaho with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 18 kph from the south.

27
°C maximum temperature
13
°C minimum temperature
sunshine and showers
6
hours of sunshine
UV7
UV index (High)
56
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
18
kph wind from S

Boise weather for Friday 29th May 2026

Expect sunshine and showers in Boise, Idaho with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 18 kph from the south-west.