Helena weather live forecast

Today's maximum temperature in Helena is expected to be 91°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Wednesday
29th Jul
91

63

12

7
Thursday
30th Jul
91

61

11

7
Friday
31st Jul
93

63

13

8
Saturday
1st Aug
99

63

12

8
Sunday
2nd Aug
82

61

13

8

5-day weather forecast updated at 04:00 on Wednesday 29th July 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 Wednesday 29th July 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 91°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

91
°F maximum temperature
63
°F minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from W

Helena weather for Thursday 30th July 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 91°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

91
°F maximum temperature
61
°F minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from SW

Helena weather for Friday 31st July 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.

93
°F maximum temperature
63
°F minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from N

Helena weather for Saturday 1st August 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 99°F, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the west.

99
°F maximum temperature
63
°F minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
mph wind from W

Helena weather for Sunday 2nd August 2026

Expect clear skies in Helena, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the west.