Helena weather live forecast

Today's maximum temperature in Helena is expected to be 61°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Saturday
19th Sep
61

54

0

1
Sunday
20th Sep
72

48

11

5
Monday
21st Sep
75

46

12

6
Tuesday
22nd Sep
77

50

7

5
Wednesday
23rd Sep
77

52

9

5

5-day weather forecast updated at 04:00 on Saturday 19th September 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 19th September 2026

Expect cloudy with some rain in Helena, Montana with a maximum temperature of 61°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a light breeze of 7 mph from the north-west.

61
°F maximum temperature
54
°F minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
82
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
7
mph wind from NW

Helena weather for Sunday 20th September 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 72°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 east.

72
°F maximum temperature
48
°F minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
72
°F wind chill
6
mph wind from E

Helena weather for Monday 21st September 2026

Expect clear skies in Helena, Montana with a maximum temperature of 75°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

75
°F maximum temperature
46
°F minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from SW

Helena weather for Tuesday 22nd September 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.

77
°F maximum temperature
50
°F minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
6
mph wind from SW

Helena weather for Wednesday 23rd September 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.