Helena weather live forecast

Today's maximum temperature in Helena is expected to be 66°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Thursday
1st Oct
66

45

4

3
Friday
2nd Oct
75

46

6

4
Saturday
3rd Oct
70

48

11

5
Sunday
4th Oct
75

45

12

5
Monday
5th Oct
81

46

8

4

5-day weather forecast updated at 04:00 on Thursday 1st 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 1st October 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 66°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north-east.

66
°F maximum temperature
45
°F minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
mph wind from NE

Helena weather for Friday 2nd October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 75°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the west.

75
°F maximum temperature
46
°F minimum temperature
scattered clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
75
°F wind chill
8
mph wind from W

Helena weather for Saturday 3rd October 2026

Expect clear skies in Helena, Montana with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.

70
°F maximum temperature
48
°F minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from NE

Helena weather for Sunday 4th October 2026

Expect clear skies in Helena, Montana with a maximum temperature of 75°F, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

75
°F maximum temperature
45
°F minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from E

Helena weather for Monday 5th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 81°F, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.