Helena weather live forecast

Today's maximum temperature in Helena is expected to be 43°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Sunday
14th Dec
43

27

6

1
Monday
15th Dec
46

30

6

1
Tuesday
16th Dec
48

39

6

1
Wednesday
17th Dec
45

34

5

1
Thursday
18th Dec
39

30

1

1

5-day weather forecast updated at 04:01 on Sunday 14th 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 14th December 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-west.

43
°F maximum temperature
27
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
39
°F wind chill
5
mph wind from SW

Helena weather for Monday 15th December 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

46
°F maximum temperature
30
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
11
mph wind from SW

Helena weather for Tuesday 16th December 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the west.

48
°F maximum temperature
39
°F minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
43
°F wind chill
15
mph wind from W

Helena weather for Wednesday 17th December 2025

Expect sunshine and showers in Helena, Montana with a maximum temperature of 45°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a strong breeze of 24 mph from the west.

45
°F maximum temperature
34
°F minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
59
% chance of some rain
<5
mm of rainfall expected
36
°F wind chill
24
mph wind from W

Helena weather for Thursday 18th December 2025

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 39°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 56% chance of some sleet or snow and a gentle breeze of 12 mph from the south.