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.

Saturday
23rd May
73

45

10

UV6
Sunday
24th May
79

48

14

UV7
Monday
25th May
82

50

8

UV7
Tuesday
26th May
73

52

4

UV6
Wednesday
27th May
63

48

8

UV2

5-day weather forecast updated at 04:00 on Saturday 23rd 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 23rd May 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 73°F, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the west.

73
°F maximum temperature
45
°F minimum temperature
scattered clouds
10
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
73
°F wind chill
10
mph wind from W

Helena weather for Sunday 24th May 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 79°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the west.

79
°F maximum temperature
48
°F minimum temperature
scattered clouds
14
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
mph wind from W

Helena weather for Monday 25th May 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 12 mph from the south-east.

82
°F maximum temperature
50
°F minimum temperature
isolated thunderstorms
8
hours of sunshine
UV7
UV index (High)
51
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
mph wind from SE

Helena weather for Tuesday 26th May 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 73°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

73
°F maximum temperature
52
°F minimum temperature
broken clouds
4
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
73
°F wind chill
11
mph wind from W

Helena weather for Wednesday 27th May 2026

Expect sunshine and showers in Helena, Montana with a maximum temperature of 63°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 12 mph from the north.