Helena weather live forecast

Today's maximum temperature in Helena is expected to be 77°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Thursday
8th Oct
77

45

10

4
Friday
9th Oct
77

48

8

3
Saturday
10th Oct
52

32

0

1
Sunday
11th Oct
34

30

1

2
Monday
12th Oct
41

28

1

4

5-day weather forecast updated at 04:00 on Thursday 8th October 2026 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 Thursday 8th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 77°F, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

77
°F maximum temperature
45
°F minimum temperature
scattered clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
7
mph wind from SW

Helena weather for Friday 9th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 77°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the west.

77
°F maximum temperature
48
°F minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
15
mph wind from W

Helena weather for Saturday 10th October 2026

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 52°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 97% chance of some sleet or snow and a moderate breeze of 14 mph from the north.

52
°F maximum temperature
32
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
97
% chance of some sleet or snow
<20
mm of sleet/snow expected
0
no heat & humidity
14
mph wind from N

Helena weather for Sunday 11th October 2026

Expect cloudy with sleet or snow in Helena, Montana with a maximum temperature of 34°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of sleet/snow expected with 89% chance of some sleet or snow and a moderate breeze of 13 mph from the north.

34
°F maximum temperature
30
°F minimum temperature
cloudy with sleet or snow
1
hour of sunshine
2
UV index (Low)
89
% chance of some sleet or snow
<10
mm of sleet/snow expected
25
°F wind chill
13
mph wind from N

Helena weather for Monday 12th October 2026

Expect mostly cloudy with light snow in Helena, Montana with a maximum temperature of 41°F, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 22% chance of some snow and a light breeze of 7 mph from the south-west.