Boise weather live forecast

Today's maximum temperature in Boise is expected to be 6°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Thursday
18th Dec
6

0

0

0
Friday
19th Dec
13

1

1

1
Saturday
20th Dec
8

-2

6

1
Sunday
21st Dec
8

2

1

0
Monday
22nd Dec
10

4

0

1

5-day weather forecast updated at 04:01 on Thursday 18th December 2025 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 Thursday 18th December 2025

Expect overcast with light rain in Boise, Idaho with a maximum temperature of 6°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 24 kph from the south-east.

6
°C maximum temperature
0
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<5
mm of rainfall expected
2
°C wind chill
24
kph wind from SE

Boise weather for Friday 19th December 2025

Expect mostly cloudy with light rain in Boise, Idaho with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 23 kph from the south-east.

13
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
70
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
23
kph wind from SE

Boise weather for Saturday 20th December 2025

Expect broken clouds in Boise, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

8
°C maximum temperature
-2
°C minimum temperature
broken clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
14
kph wind from E

Boise weather for Sunday 21st December 2025

Expect cloudy with some rain in Boise, Idaho with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 18 kph from the south-east.

8
°C maximum temperature
2
°C minimum temperature
cloudy with some rain
1
hour of sunshine
0
UV index (None)
61
% chance of some rain
<10
mm of rainfall expected
5
°C wind chill
18
kph wind from SE

Boise weather for Monday 22nd December 2025

Expect overcast with light rain in Boise, Idaho with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 16 kph from the south-east.