Helena weather live forecast

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

Sunday
14th Dec
6

-3

6

1
Monday
15th Dec
8

-1

6

1
Tuesday
16th Dec
9

4

6

1
Wednesday
17th Dec
7

1

5

1
Thursday
18th Dec
4

-1

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 6°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

6
°C maximum temperature
-3
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
8
kph wind from SW

Helena weather for Monday 15th December 2025

Expect scattered clouds in Helena, Montana 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 17 kph from the south-west.

8
°C maximum temperature
-1
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
17
kph wind from SW

Helena weather for Tuesday 16th December 2025

Expect scattered clouds in Helena, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

9
°C maximum temperature
4
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
24
kph wind from W

Helena weather for Wednesday 17th December 2025

Expect sunshine and showers in Helena, Montana with a maximum temperature of 7°C, 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 39 kph from the west.

7
°C maximum temperature
1
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
59
% chance of some rain
<5
mm of rainfall expected
2
°C wind chill
39
kph wind from W

Helena weather for Thursday 18th December 2025

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 4°C, 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 19 kph from the south.