Helena weather live forecast

Today's maximum temperature in Helena is expected to be 48°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Tuesday
9th Dec
48

37

0

1
Wednesday
10th Dec
48

37

2

1
Thursday
11th Dec
46

18

3

1
Friday
12th Dec
34

14

2

0
Saturday
13th Dec
37

28

6

1

5-day weather forecast updated at 04:01 on Monday 8th 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 Tuesday 9th December 2025

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 46% chance of some sleet or snow and a fresh breeze of 19 mph from the west.

48
°F maximum temperature
37
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
46
% chance of some sleet or snow
<2
mm of sleet/snow 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 48°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 77% chance of some sleet or snow and a gentle breeze of 11 mph from the west.

48
°F maximum temperature
37
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
77
% chance of some sleet or snow
<20
mm of sleet/snow expected
43
°F wind chill
11
mph wind from W

Helena weather for Thursday 11th December 2025

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 72% chance of some sleet or snow and a gentle breeze of 9 mph from the west.

46
°F maximum temperature
18
°F minimum temperature
cloudy with sleet or snow
3
hours of sunshine
1
UV index (Low)
72
% chance of some sleet or snow
<20
mm of sleet/snow expected
43
°F wind chill
9
mph wind from W

Helena weather for Friday 12th December 2025

Expect mostly cloudy with snow in Helena, Montana with a maximum temperature of 34°F and 2 hours of bright sunshine. There are 5-10 cm of snow expected with 52% chance of some snow and a light breeze of 7 mph from the north-west.

34
°F maximum temperature
14
°F minimum temperature
mostly cloudy with snow
2
hours of sunshine
0
UV index (None)
52
% chance of some snow
<10
cm of snow expected
27
°F wind chill
7
mph wind from NW

Helena weather for Saturday 13th December 2025

Expect clear skies with flurries of snow in Helena, Montana with a maximum temperature of 37°F, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 22% chance of some snow and a gentle breeze of 9 mph from the south.