Helena weather live forecast

Today's maximum temperature in Helena is expected to be 82°F. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Monday
20th Jul
82

59

7

10
Tuesday
21st Jul
86

61

8

10
Wednesday
22nd Jul
90

63

11

9
Thursday
23rd Jul
90

66

10

9
Friday
24th Jul
91

63

10

9

5-day weather forecast updated at 04:00 on Monday 20th July 2026 GMT

More about Helena

Helena by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Monday 20th July 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north.

82
°F maximum temperature
59
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
8
mph wind from N

Helena weather for Tuesday 21st July 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the west.

86
°F maximum temperature
61
°F minimum temperature
broken clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from W

Helena weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 90°F, moderate 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 36% chance of some rain and a light breeze of 6 mph from the west.

90
°F maximum temperature
63
°F minimum temperature
isolated thunderstorms
11
hours of sunshine
9
UV index (Very High)
36
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from W

Helena weather for Thursday 23rd July 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a light breeze of 7 mph from the south-west.

90
°F maximum temperature
66
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
9
UV index (Very High)
30
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from SW

Helena weather for Friday 24th July 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a gentle breeze of 11 mph from the south-west.