Boise weather live forecast

Today's maximum temperature in Boise is expected to be 27°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Tuesday
21st Apr
27

11

9

7
Wednesday
22nd Apr
10

5

0

1
Thursday
23rd Apr
13

5

6

4
Friday
24th Apr
15

1

7

6
Saturday
25th Apr
14

1

5

7

5-day weather forecast updated at 04:00 on Tuesday 21st April 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 Tuesday 21st April 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 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 18 kph from the east.

27
°C maximum temperature
11
°C minimum temperature
sunshine and showers
9
hours of sunshine
7
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

Boise weather for Wednesday 22nd April 2026

Expect cloudy with some rain in Boise, Idaho with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 24 kph from the west.

10
°C maximum temperature
5
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
95
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
24
kph wind from W

Boise weather for Thursday 23rd April 2026

Expect sunshine and showers in Boise, Idaho with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% chance of some rain and a moderate breeze of 25 kph from the north-west.

13
°C maximum temperature
5
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
16
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from NW

Boise weather for Friday 24th April 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 15°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

15
°C maximum temperature
1
°C minimum temperature
scattered clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
15
°C wind chill
22
kph wind from NW

Boise weather for Saturday 25th April 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 14°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.