Montana weather live forecast

Today's maximum temperature in Montana is expected to be 31°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Friday
21st Aug
31

16

11

8
Saturday
22nd Aug
31

18

5

6
Sunday
23rd Aug
29

16

9

7
Monday
24th Aug
29

12

12

7
Tuesday
25th Aug
29

13

10

7

5-day weather forecast updated at 04:00 on Friday 21st August 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 Friday 21st August 2026

Expect scattered clouds in Montana with a maximum temperature of 31°C, moderate 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 light breeze of 11 kph from the west.

31
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from W

Montana weather for Saturday 22nd August 2026

Expect mostly cloudy with light rain in Montana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a light breeze of 12 kph from the east.

31
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
6
UV index (High)
29
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

Montana weather for Sunday 23rd August 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 17 kph from the west.

29
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
30
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from W

Montana weather for Monday 24th August 2026

Expect scattered clouds in Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

29
°C maximum temperature
12
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from NW

Montana weather for Tuesday 25th August 2026

Expect scattered clouds in Montana with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.