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Darby, MT Weather Forecast

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Darby, MT Weather Forecast

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Darby MT weather - Clear - 44°F
Clear
44°F
Updated 7:12 am
Feels Like 38°F
Humidity 87%
Wind N 0 mph
Barometer  30.22 in
Dew Point 41°F
Darby MT weather - Clear - 7°C
Clear
7°C
Updated 7:12 am
Feels Like 3°C
Humidity 87%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point 5°C
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Darby Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Darby, MT Weather - Today Patchy Fog Darby, MT Weather - Tonight Mostly Clear Darby, MT Weather - Monday Mostly Sunny Darby, MT Weather - Monday Night Mostly Clear Darby, MT Weather - Tuesday Mostly Sunny Darby, MT Weather - Tuesday Night Partly Cloudy Darby, MT Weather - Wednesday Mostly Sunny Darby, MT Weather - Wednesday Night Partly Cloudy Darby, MT Weather - Thursday Mostly Sunny Darby, MT Weather - Thursday Night Partly Cloudy Darby, MT Weather - Friday Partly Cloudy Darby, MT Weather - Friday Night Chance Of Rain
Patchy Fog Mostly Clear Mostly Sunny Mostly Clear Mostly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Chance of Rain
Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 76°FHi: 24°C
 Lo: 47°FLo: 8°C Hi: 76°FHi: 24°C
 Lo: 47°FLo: 8°C Hi: 77°FHi: 25°C
 Lo: 45°FLo: 7°C Hi: 77°FHi: 25°C
 Lo: 47°FLo: 8°C Hi: 77°FHi: 25°C
 Lo: 43°FLo: 6°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Sun Sep 20 2026 Darby, MT Weather - WeatherWorld.com

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Issued: 144 AM MDT Sun Sep 20 2026

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KEY MESSAGES:
  • Patchy fog this morning.
  • Warm, dry week ahead for the region.
  • Showers return late next week or early next weekend.

The low pressure system that brought rain over the last couple days is moving east across Wyoming this morning. In its wake, high pressure will build over the Northern Rockies today. Recent rainfall combined with decreasing cloud cover and stable conditions the next few days will cause patchy fog in many of the valleys of central Idaho and western Montana t...