Boise weather live forecast

Today's maximum temperature in Boise is expected to be 9°C. Select a day from the live weather forecast for Boise, Idaho, USA for more weather parameters.

Sunday
21st Dec
9

4

0

0
Monday
22nd Dec
11

7

0

1
Tuesday
23rd Dec
12

6

0

1
Wednesday
24th Dec
14

5

0

1
Thursday
25th Dec
12

5

2

1

5-day weather forecast updated at 04:00 on Sunday 21st 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 Sunday 21st December 2025

Expect mostly cloudy with rain in Boise, Idaho with a maximum temperature of 9°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 18 kph from the south-east.

9
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
96
% chance of some rain
<20
mm of rainfall expected
7
°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 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 16 kph from the south-east.

11
°C maximum temperature
7
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
45
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
16
kph wind from SE

Boise weather for Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Boise, Idaho with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 18 kph from the south-east.

12
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
42
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
18
kph wind from SE

Boise weather for Wednesday 24th December 2025

Expect overcast with light rain in Boise, Idaho with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 26 kph from the south-east.

14
°C maximum temperature
5
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
42
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
26
kph wind from SE

Boise weather for Thursday 25th December 2025

Expect cloudy with some rain in Boise, Idaho with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 21 kph from the south-east.