Helena weather live forecast

Today's maximum temperature in Helena is expected to be 38°C. Select a day from the live weather forecast for Helena, Montana, USA for more weather parameters.

Saturday
1st Aug
38

18

11

8
Sunday
2nd Aug
29

16

15

8
Monday
3rd Aug
22

11

10

8
Tuesday
4th Aug
26

9

15

8
Wednesday
5th Aug
30

10

14

8

5-day weather forecast updated at 04:00 on Friday 31st July 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 1st August 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

38
°C maximum temperature
18
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from W

Helena weather for Sunday 2nd August 2026

Expect clear skies in Helena, Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.

29
°C maximum temperature
16
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from NW

Helena weather for Monday 3rd August 2026

Expect scattered clouds in Helena, Montana with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

22
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
19
kph wind from N

Helena weather for Tuesday 4th August 2026

Expect clear skies in Helena, Montana with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

26
°C maximum temperature
9
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
12
kph wind from NE

Helena weather for Wednesday 5th August 2026

Expect clear skies in Helena, Montana with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.