10-day forecast for Decker, MT: 33° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Monday, October 19
55°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1975° / 38°0
Morning38°feels 38°
Afternoon71°feels 70°
Evening51°feels 49°
Overnight42°feels 42°
75 °
Decker, Monday, 19 October
Clear. High 75°, low 38°.
Pressure30.00 inHg
Wind3.2 mph NE
Humidity47%
Visibility6.2 mi
Dew point38°
Tue, 2071° / 38°0
Morning40°feels 40°
Afternoon70°feels 68°
Evening54°feels 52°
Overnight41°feels 41°
71 °
Decker, Tuesday, 20 October
Mostly clear. High 71°, low 38°.
Pressure30.00 inHg
Wind3 mph E
Humidity36%
Visibility6.2 mi
Dew point40°
Wed, 2174° / 42°0
Morning42°feels 42°
Afternoon71°feels 69°
Evening58°feels 56°
Overnight46°feels 46°
74 °
Decker, Wednesday, 21 October
Clear. High 74°, low 42°.
Pressure30.09 inHg
Wind6.9 mph NE
Humidity52%
Visibility6.2 mi
Dew point44°
Thu, 2272° / 48°0
Morning52°feels 50°
Afternoon71°feels 69°
Evening59°feels 58°
Overnight49°feels 49°
72 °
Decker, Thursday, 22 October
Clear. High 72°, low 48°.
Pressure29.88 inHg
Wind2.8 mph NE
Humidity42%
Visibility6.2 mi
Dew point44°
Fri, 2372° / 50°0.07
Morning56°feels 54°
Afternoon66°feels 65°
Evening56°feels 56°
Overnight50°feels 49°
72 °
Decker, Friday, 23 October
Light rain. High 72°, low 50°.
Pressure29.50 inHg
Wind4.6 mph NW
Humidity47%
Visibility—
Dew point45°
Sat, 2453° / 41°0
Morning46°feels 43°
Afternoon51°feels 48°
Evening46°feels 42°
Overnight42°feels 39°
53 °
Decker, Saturday, 24 October
Overcast. High 53°, low 41°.
Pressure30.12 inHg
Wind16 mph NW
Humidity47%
Visibility—
Dew point31°
Sun, 2555° / 33°0
Morning38°feels 34°
Afternoon49°feels 47°
Evening48°feels 45°
Overnight43°feels 40°
55 °
Decker, Sunday, 25 October
Partly cloudy. High 55°, low 33°.
Pressure30.06 inHg
Wind8.3 mph N
Humidity38%
Visibility—
Dew point22°
Mon, 2655° / 36°0.01
Morning39°feels 37°
Afternoon48°feels 46°
Evening48°feels 45°
Overnight42°feels 39°
55 °
Decker, Monday, 26 October
Light rain. High 55°, low 36°.
Pressure30.12 inHg
Wind8.2 mph W
Humidity50%
Visibility—
Dew point29°
Tue, 2760° / 36°0
Morning41°feels 40°
Afternoon53°feels 50°
Evening49°feels 49°
Overnight44°feels 44°
60 °
Decker, Tuesday, 27 October
Clear. High 60°, low 36°.
Pressure29.80 inHg
Wind4.8 mph SE
Humidity34%
Visibility—
Dew point24°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Decker, MT around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.