Helena weather live forecast

Today's maximum temperature in Helena is expected to be 41°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Sunday
7th Dec
41

36

1

1
Monday
8th Dec
45

39

0

1
Tuesday
9th Dec
48

37

2

1
Wednesday
10th Dec
43

36

0

1
Thursday
11th Dec
34

14

1

1

5-day weather forecast updated at 04:01 on Sunday 7th December 2025 GMT

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The 5-day weather forecast for Montana (Helena) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Helena weather forecast by day

Below are the detailed weather forecasts for Helena for the next 5 days.

Helena weather for Sunday 7th December 2025

Expect broken clouds in Helena, Montana with a maximum temperature of 41°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.

41
°F maximum temperature
36
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
34
°F wind chill
10
mph wind from SW

Helena weather for Monday 8th December 2025

Expect mostly cloudy with light rain in Helena, Montana with a maximum temperature of 45°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 11 mph from the south-west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
31
% chance of some rain
<2
mm of rainfall expected
37
°F wind chill
11
mph wind from SW

Helena weather for Tuesday 9th December 2025

Expect mostly cloudy with light rain in Helena, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 19 mph from the west.

48
°F maximum temperature
37
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
44
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
19
mph wind from W

Helena weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 82% chance of some sleet or snow and a gentle breeze of 11 mph from the west.

43
°F maximum temperature
36
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
82
% chance of some sleet or snow
<20
mm of sleet/snow expected
37
°F wind chill
11
mph wind from W

Helena weather for Thursday 11th December 2025

Expect broken clouds in Helena, Montana with a maximum temperature of 34°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a light breeze of 7 mph from the north-west.