Helena weather live forecast

Today's maximum temperature in Helena is expected to be 86°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Sunday
5th Jul
86

61

11

9
Monday
6th Jul
77

55

3

6
Tuesday
7th Jul
81

61

15

8
Wednesday
8th Jul
84

59

11

7
Thursday
9th Jul
82

57

12

9

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

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 86°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 9 mph from the west.

86
°F maximum temperature
61
°F minimum temperature
isolated thunderstorms
11
hours of sunshine
9
UV index (Very High)
27
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
9
mph wind from W

Helena weather for Monday 6th July 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 77°F, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 10 mph from the north.

77
°F maximum temperature
55
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
78
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
10
mph wind from N

Helena weather for Tuesday 7th July 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the west.

81
°F maximum temperature
61
°F minimum temperature
scattered clouds
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
8
mph wind from W

Helena weather for Wednesday 8th July 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 84°F, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 11 mph from the west.

84
°F maximum temperature
59
°F minimum temperature
isolated thunderstorms
11
hours of sunshine
7
UV index (High)
48
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
11
mph wind from W

Helena weather for Thursday 9th July 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north-west.