Boise weather live forecast

Today's maximum temperature in Boise is expected to be 70°F. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Friday
15th May
70

50

14

7
Saturday
16th May
59

45

8

6
Sunday
17th May
57

39

8

5
Monday
18th May
64

37

10

8
Tuesday
19th May
72

39

13

7

5-day weather forecast updated at 04:00 on Friday 15th 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 Friday 15th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 70°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-west.

70
°F maximum temperature
50
°F minimum temperature
scattered clouds
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
70
°F wind chill
11
mph wind from NW

Boise weather for Saturday 16th May 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 59°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north-west.

59
°F maximum temperature
45
°F minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
mph wind from NW

Boise weather for Sunday 17th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 57°F, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north-west.

57
°F maximum temperature
39
°F minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
mph wind from NW

Boise weather for Monday 18th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 64°F, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north-west.

64
°F maximum temperature
37
°F minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
64
°F wind chill
14
mph wind from NW

Boise weather for Tuesday 19th May 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 72°F, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-west.