Montana weather live forecast

Today's maximum temperature in Montana is expected to be 18°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Thursday
14th May
18

8

10

8
Friday
15th May
17

6

11

7
Saturday
16th May
13

5

2

4
Sunday
17th May
10

2

0

5
Monday
18th May
12

1

8

6

5-day weather forecast updated at 04:00 on Thursday 14th 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.

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 Thursday 14th May 2026

Expect scattered clouds in Montana with a maximum temperature of 18°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the west.

18
°C maximum temperature
8
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
33
kph wind from W

Montana weather for Friday 15th May 2026

Expect scattered clouds in Montana with a maximum temperature of 17°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

17
°C maximum temperature
6
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Montana weather for Saturday 16th May 2026

Expect broken clouds in Montana with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Montana weather for Sunday 17th May 2026

Expect overcast skies in Montana with a maximum temperature of 10°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

10
°C maximum temperature
2
°C minimum temperature
overcast skies
0
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Montana weather for Monday 18th May 2026

Expect broken clouds in Montana with a maximum temperature of 12°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.