Boise weather live forecast

Today's maximum temperature in Boise is expected to be 35°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Friday
19th Jun
35

16

8

9
Saturday
20th Jun
31

21

7

7
Sunday
21st Jun
30

16

15

9
Monday
22nd Jun
31

13

15

9
Tuesday
23rd Jun
34

13

15

9

5-day weather forecast updated at 04:00 on Friday 19th June 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 Friday 19th June 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 35°C, 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 15 kph from the south-east.

35
°C maximum temperature
16
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
15
kph wind from SE

Boise weather for Saturday 20th June 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

31
°C maximum temperature
21
°C minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NW

Boise weather for Sunday 21st June 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

30
°C maximum temperature
16
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from NW

Boise weather for Monday 22nd June 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

31
°C maximum temperature
13
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from NW

Boise weather for Tuesday 23rd June 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.