Helena weather live forecast

Today's maximum temperature in Helena is expected to be 73°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Saturday
17th Oct
73

32

8

3
Sunday
18th Oct
59

41

5

3
Monday
19th Oct
63

36

8

3
Tuesday
20th Oct
61

41

7

3
Wednesday
21st Oct
64

37

9

3

5-day weather forecast updated at 04:00 on Sunday 18th 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 Saturday 17th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 73°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

73
°F maximum temperature
32
°F minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Helena weather for Sunday 18th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 59°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south-west.

59
°F maximum temperature
41
°F minimum temperature
scattered clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
mph wind from SW

Helena weather for Monday 19th October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

63
°F maximum temperature
36
°F minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from SW

Helena weather for Tuesday 20th October 2026

Expect fog in low lying areas in Helena, Montana with a maximum temperature of 61°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south-west.

61
°F maximum temperature
41
°F minimum temperature
fog in low lying areas
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
61
°F wind chill
4
mph wind from SW

Helena weather for Wednesday 21st October 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-east.