Montana weather live forecast

Today's maximum temperature in Montana is expected to be 33°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.

Tuesday
11th Aug
33

13

14

7
Wednesday
12th Aug
26

13

10

6
Thursday
13th Aug
21

14

5

3
Friday
14th Aug
21

13

2

5
Saturday
15th Aug
24

12

9

6

5-day weather forecast updated at 04:00 on Wednesday 12th 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 Tuesday 11th August 2026

Expect clear skies in Montana with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

33
°C maximum temperature
13
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NW

Montana weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 21 kph from the north.

26
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
6
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
21
kph wind from N

Montana weather for Thursday 13th August 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 15 kph from the north-west.

21
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
78
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
15
kph wind from NW

Montana weather for Friday 14th August 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a light breeze of 12 kph from the north.

21
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
59
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
12
kph wind from N

Montana weather for Saturday 15th August 2026

Expect isolated thunderstorms in Montana with a maximum temperature of 24°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 9 kph from the east.