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Dayton, MT Weather Forecast

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Dayton, MT Weather Forecast

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Dayton MT weather - Overcast - 55°F
Overcast
55°F
Updated 2:33 pm
Feels Like 54°F
Humidity 86%
Wind S 6 mph
Barometer  30.28 in
Dew Point 51°F
Dayton MT weather - Overcast - 13°C
Overcast
13°C
Updated 2:33 pm
Feels Like 12°C
Humidity 86%
Wind S 10 km/h
Barometer  102.5 kPa
Dew Point 11°C
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Dayton Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Dayton, MT Weather - Tonight Patchy Fog Dayton, MT Weather - Wednesday Patchy Fog Dayton, MT Weather - Wednesday Night Partly Cloudy Dayton, MT Weather - Thursday Partly Cloudy Dayton, MT Weather - Thursday Night Chance Of T-Storm Dayton, MT Weather - Friday Chance Of T-Storm Dayton, MT Weather - Friday Night Mostly Cloudy Dayton, MT Weather - Saturday Chance Of Rain Dayton, MT Weather - Saturday Night Chance Of Rain Dayton, MT Weather - Sunday Chance Of Rain Dayton, MT Weather - Sunday Night Chance Of Rain Dayton, MT Weather - Monday Mostly Sunny
Patchy Fog Patchy Fog Partly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Mostly Cloudy Chance of Rain Chance of Rain Chance of Rain Chance of Rain Mostly Sunny
Lo: 40°FLo: 4°C Hi: 70°FHi: 21°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 60°FHi: 16°C
 Lo: 40°FLo: 4°C Hi: 60°FHi: 16°C
 Lo: 36°FLo: 2°C Hi: 56°FHi: 13°C
 Lo: 36°FLo: 2°C Hi: 60°FHi: 16°C
POP: 80% POP: 70% POP: 20% POP: 50% POP: 50% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 PM MDT Tue Sep 08 2026 Dayton, MT Weather - WeatherWorld.com

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Issued: 1256 PM MDT Tue Sep 8 2026

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KEY MESSAGES:
  • Rain in northwest Montana diminishes by this evening.
  • A brief drying and warming trend is expected Wednesday and Thursday. Fog or low clouds are possible each morning.
  • Chance for frost in high valleys of southwest Montana.
  • Unsettled with showers on Friday. Growing confidence for a wet and cool system with high elevation snow developing by this weekend

Satellite imagery this afternoon shows a trough of low pressure moving east over the Continental Divide. This system bro...