Montana weather live forecast

Today's maximum temperature in Montana is expected to be 25°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Wednesday
23rd Sep
25

11

9

5
Thursday
24th Sep
27

10

12

5
Friday
25th Sep
29

11

10

5
Saturday
26th Sep
17

7

10

5
Sunday
27th Sep
18

4

6

4

5-day weather forecast updated at 04:00 on Wednesday 23rd September 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.

Top Montana destinations

Below are temperatures expected today at popular countries, regions and places in Montana. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Montana weather forecast by day

Below are the detailed weather forecasts for Montana for the next 5 days. The forecasts shown are for Helena and may not represent the whole of Montana. Browse more destinations in Montana to view more weather forecasts.

Montana weather for Wednesday 23rd September 2026

Expect broken clouds in Montana with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

25
°C maximum temperature
11
°C minimum temperature
broken clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
25
°C wind chill
12
kph wind from SW

Montana weather for Thursday 24th September 2026

Expect clear skies in Montana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.

27
°C maximum temperature
10
°C minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from SE

Montana weather for Friday 25th September 2026

Expect scattered clouds in Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

29
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from S

Montana weather for Saturday 26th September 2026

Expect scattered clouds in Montana with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

17
°C maximum temperature
7
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
25
kph wind from W

Montana weather for Sunday 27th September 2026

Expect broken clouds in Montana with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the west.