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.

Saturday
17th Jan
5

-3

5

1
Sunday
18th Jan
3

-3

0

2
Monday
19th Jan
5

-4

7

2
Tuesday
20th Jan
5

-4

4

2
Wednesday
21st Jan
5

-3

3

1

5-day weather forecast updated at 04:01 on Saturday 17th 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 Saturday 17th January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

5
°C maximum temperature
-3
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
11
kph wind from SE

Boise weather for Sunday 18th January 2026

Expect fog in low lying areas in Boise, Idaho with a maximum temperature of 3°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

3
°C maximum temperature
-3
°C minimum temperature
fog in low lying areas
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
1
°C wind chill
8
kph wind from NW

Boise weather for Monday 19th January 2026

Expect scattered clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 7 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
-4
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
13
kph wind from SE

Boise weather for Tuesday 20th January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

5
°C maximum temperature
-4
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
10
kph wind from E

Boise weather for Wednesday 21st January 2026

Expect broken clouds in Boise, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.