Helena weather live forecast

Today's maximum temperature in Helena is expected to be 15°C. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Saturday
18th Apr
15

-1

13

7
Sunday
19th Apr
19

2

13

7
Monday
20th Apr
23

7

10

7
Tuesday
21st Apr
26

7

10

6
Wednesday
22nd Apr
21

8

7

7

5-day weather forecast updated at 04:00 on Sunday 19th April 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 18th April 2026

Expect clear skies in Helena, Montana with a maximum temperature of 15°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

15
°C maximum temperature
-1
°C minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Helena weather for Sunday 19th April 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 19°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the east.

19
°C maximum temperature
2
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
19
°C wind chill
17
kph wind from E

Helena weather for Monday 20th April 2026

Expect broken clouds in Helena, Montana with a maximum temperature of 23°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the east.

23
°C maximum temperature
7
°C minimum temperature
broken clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
15
kph wind from E

Helena weather for Tuesday 21st April 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

26
°C maximum temperature
7
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
26
°C wind chill
15
kph wind from S

Helena weather for Wednesday 22nd April 2026

Expect isolated thunderstorms in Helena, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 22 kph from the west.