Boise weather live forecast

Today's maximum temperature in Boise is expected to be 5°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Wednesday
14th Jan
5

-2

8

2
Thursday
15th Jan
4

-2

9

2
Friday
16th Jan
5

-3

9

1
Saturday
17th Jan
5

-3

9

2
Sunday
18th Jan
5

-3

9

2

5-day weather forecast updated at 04:01 on Wednesday 14th January 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 Wednesday 14th January 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

5
°C maximum temperature
-2
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
9
kph wind from SE

Boise weather for Thursday 15th January 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 4°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

4
°C maximum temperature
-2
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
8
kph wind from N

Boise weather for Friday 16th January 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

5
°C maximum temperature
-3
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
13
kph wind from SE

Boise weather for Saturday 17th January 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

5
°C maximum temperature
-3
°C minimum temperature
clear skies
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
9
kph wind from E

Boise weather for Sunday 18th January 2026

Expect clear skies in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.