Right now☀️
Current conditions · Dewey, MT
48°
Clear
Feels like 48°
💨 Wind
0 mph N
💧 Humidity
76%
🌫️ Dew pt
41°
👁️ Visibility
10 mi
NWSObserved at Butte, Bert Mooney Airport
Weather · Dewey
Dewey forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for Dewey, straight from the National Weather Service. Watches and warnings show up first.
Loading the local forecast…
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7-Day forecast
Today
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73°
42°
0%
Sunny
Sat
⛅
71°
42°
0%
Mostly Sunny
Sun
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77°
47°
0%
Sunny
Mon
⛅
78°
44°
0%
Mostly Sunny
Tue
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72°
41°
1%
Sunny
Wed
☀️
71°
40°
0%
Sunny
Thu
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72°
42°
0%
Sunny
Climate · a normal year
What a year in Dewey feels like
Dewey has cold winters and pleasant summers, with very little rain. A typical July afternoon reaches 77°, a January night drops to 13°, and about 15 inches of snow falls in a normal winter.
+15°
15° warmer than normal today. The forecast high is 73°, and a typical Oct 2 in Dewey peaks around 58°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
31° / 13°Winter
49° / 27°Spring
73° / 43°Summer
52° / 28°Fall
How much snow does Dewey get?About 15 inches a winter.Rain & snow →When is the first frost?Around Sep 7, with the last in spring around Jun 10.Frost dates →Is it warmer than it used to be?+1.5° vs. the 20th century.Then & now →
See Dewey’s full climate →
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
The forecast is temporarily unavailable.
Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.