Helena weather live forecast

Today's maximum temperature in Helena is expected to be 68°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Saturday
9th May
68

46

6

4
Sunday
10th May
79

45

8

7
Monday
11th May
75

52

13

7
Tuesday
12th May
81

46

12

7
Wednesday
13th May
79

54

6

6

5-day weather forecast updated at 04:00 on Saturday 9th May 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 9th May 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

68
°F maximum temperature
46
°F minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
68
°F wind chill
10
mph wind from W

Helena weather for Sunday 10th May 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 79°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

79
°F maximum temperature
45
°F minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
79
°F wind chill
9
mph wind from SW

Helena weather for Monday 11th May 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 75°F, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the north-west.

75
°F maximum temperature
52
°F minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
mph wind from NW

Helena weather for Tuesday 12th May 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

81
°F maximum temperature
46
°F minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
7
mph wind from NE

Helena weather for Wednesday 13th May 2026

Expect mostly cloudy with light rain in Helena, Montana with a maximum temperature of 79°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 13 mph from the west.