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.

Friday
26th Jun
73

57

1

6
Saturday
27th Jun
64

54

2

4
Sunday
28th Jun
59

48

0

4
Monday
29th Jun
55

48

0

3
Tuesday
30th Jun
70

46

2

7

5-day weather forecast updated at 04:00 on Friday 26th June 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 Friday 26th June 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 73°F, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 9 mph from the west.

73
°F maximum temperature
57
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
91
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
9
mph wind from W

Helena weather for Saturday 27th June 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 10 mph from the west.

64
°F maximum temperature
54
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
85
% chance of some rain
<10
mm of rainfall expected
64
°F wind chill
10
mph wind from W

Helena weather for Sunday 28th June 2026

Expect cloudy with some rain in Helena, Montana with a maximum temperature of 59°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 14 mph from the west.

59
°F maximum temperature
48
°F minimum temperature
cloudy with some rain
0
hours of sunshine
4
UV index (Moderate)
71
% chance of some rain
<20
mm of rainfall expected
59
°F wind chill
14
mph wind from W

Helena weather for Monday 29th June 2026

Expect cloudy with some rain in Helena, Montana with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 14 mph from the south-west.

55
°F maximum temperature
48
°F minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
77
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
14
mph wind from SW

Helena weather for Tuesday 30th June 2026

Expect mostly cloudy with light rain in Helena, Montana with a maximum temperature of 70°F, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 11 mph from the west.