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Montana weather live forecast
Today's maximum temperature in Montana is expected to be 20°C. Select a day from the live weather forecast for Montana (Helena), USA for more weather parameters.
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Monday
15th Sep -
Tuesday
16th Sep -
Wednesday
17th Sep -
Thursday
18th Sep -
Friday
19th Sep
5-day weather forecast updated at 04:01 on Monday 15th September 2025 GMT
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Recommended for Montana
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.
All Montana destinations
- Billings
- Bozeman
- Butte
- East Glacier Park
- Glasgow
- Great Falls
- Hamilton
- Havre
- Helena
- Kalispell
- Lewistown
- Miles City
- Missoula
- West Yellowstone
- Whitefish
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 Monday 15th September 2025
Expect sunshine and showers in Montana with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 6% chance of some rain and a gentle breeze of 18 kph from the west.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from W
Montana weather for Tuesday 16th September 2025
Expect broken clouds in Montana with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- kph wind from N
Montana weather for Wednesday 17th September 2025
Expect scattered clouds in Montana with a maximum temperature of 25°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- °C wind chill
- kph wind from E
Montana weather for Thursday 18th September 2025
Expect clear skies in Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- clear skies
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- no heat & humidity
- kph wind from NE
Montana weather for Friday 19th September 2025
Expect scattered clouds in Montana with a maximum temperature of 26°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- °C wind chill
- kph wind from SW
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Metric (°C / mm) | Imperial (°F / inches)
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