10-day forecast for Decker, MT: 29° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, October 22
46° · 0.28 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2376° / 40°0.04
Morning49°feels 49°
Afternoon75°feels 73°
Evening50°feels 49°
Overnight45°feels 45°
76 °
Decker, Friday, 23 October
Light rain. High 76°, low 40°.
Pressure29.50 inHg
Wind1.2 mph SW
Humidity45%
Visibility6.2 mi
Dew point49°
Sat, 2452° / 35°0.01
Morning35°feels 32°
Afternoon50°feels 47°
Evening43°feels 40°
Overnight36°feels 28°
52 °
Decker, Saturday, 24 October
Light rain. High 52°, low 35°.
Pressure30.39 inHg
Wind4 mph SE
Humidity52%
Visibility6.2 mi
Dew point21°
Sun, 2556° / 33°0.02
Morning34°feels 31°
Afternoon55°feels 52°
Evening44°feels 40°
Overnight36°feels 34°
56 °
Decker, Sunday, 25 October
Light rain. High 56°, low 33°.
Pressure30.30 inHg
Wind2.8 mph E
Humidity50%
Visibility6.2 mi
Dew point30°
Mon, 2649° / 38°0
Morning40°feels 36°
Afternoon48°feels 44°
Evening42°feels 37°
Overnight39°feels 35°
49 °
Decker, Monday, 26 October
Overcast. High 49°, low 38°.
Pressure30.27 inHg
Wind7.7 mph E
Humidity70%
Visibility6.2 mi
Dew point37°
Tue, 2751° / 35°0.15
Morning39°feels 37°
Afternoon44°feels 42°
Evening47°feels 45°
Overnight40°feels 35°
51 °
Decker, Tuesday, 27 October
Light rain. High 51°, low 35°.
Pressure29.97 inHg
Wind7.7 mph N
Humidity76%
Visibility—
Dew point36°
Wed, 2846° / 35°0.28
Morning38°feels 32°
Afternoon43°feels 38°
Evening38°feels 33°
Overnight37°feels 32°
46 °
Decker, Wednesday, 28 October
Snow. High 46°, low 35°.
Pressure30.21 inHg
Wind13.3 mph N
Humidity51%
Visibility—
Dew point26°
Thu, 2944° / 31°0
Morning34°feels 30°
Afternoon40°feels 37°
Evening40°feels 34°
Overnight36°feels 31°
44 °
Decker, Thursday, 29 October
Overcast. High 44°, low 31°.
Pressure30.18 inHg
Wind8.8 mph E
Humidity55%
Visibility—
Dew point24°
Fri, 3043° / 35°0
Morning36°feels 36°
Afternoon39°feels 37°
Evening40°feels 37°
Overnight36°feels 33°
43 °
Decker, Friday, 30 October
Overcast. High 43°, low 35°.
Pressure30.27 inHg
Wind5.6 mph SE
Humidity67%
Visibility—
Dew point28°
Sat, 3154° / 29°0
Morning35°feels 35°
Afternoon47°feels 46°
Evening42°feels 39°
Overnight35°feels 33°
54 °
Decker, Saturday, 31 October
Partly cloudy. High 54°, low 29°.
Pressure30.06 inHg
Wind12.6 mph NW
Humidity44%
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.