10-day forecast for Plains, MT: 28° to 65°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Wednesday, October 21
49° · 0.27 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2165° / 40°0
Morning40°feels 40°
Afternoon62°feels 60°
Evening53°feels 51°
Overnight44°feels 44°
65 °
Plains, Wednesday, 21 October
Overcast. High 65°, low 40°.
Pressure30.00 inHg
Wind1.1 mph S
Humidity50%
Visibility6.2 mi
Dew point39°
Thu, 2262° / 40°0.06
Morning40°feels 40°
Afternoon62°feels 60°
Evening49°feels 49°
Overnight42°feels 42°
62 °
Plains, Thursday, 22 October
Light rain. High 62°, low 40°.
Pressure29.88 inHg
Wind1.7 mph E
Humidity54%
Visibility6.2 mi
Dew point40°
Fri, 2349° / 43°0.27
Morning44°feels 42°
Afternoon48°feels 44°
Evening45°feels 45°
Overnight45°feels 45°
49 °
Plains, Friday, 23 October
Rain. High 49°, low 43°.
Pressure30.00 inHg
Wind5.8 mph W
Humidity84%
Visibility6.2 mi
Dew point41°
Sat, 2453° / 37°0.01
Morning40°feels 40°
Afternoon47°feels 47°
Evening47°feels 47°
Overnight42°feels 42°
53 °
Plains, Saturday, 24 October
Light rain. High 53°, low 37°.
Pressure30.27 inHg
Wind2.8 mph E
Humidity70%
Visibility—
Dew point36°
Sun, 2554° / 33°0
Morning38°feels 37°
Afternoon50°feels 47°
Evening46°feels 46°
Overnight37°feels 37°
54 °
Plains, Sunday, 25 October
Mostly clear. High 54°, low 33°.
Pressure30.33 inHg
Wind4 mph E
Humidity50%
Visibility—
Dew point30°
Mon, 2650° / 29°0
Morning34°feels 33°
Afternoon45°feels 43°
Evening42°feels 41°
Overnight34°feels 34°
50 °
Plains, Monday, 26 October
Clear. High 50°, low 29°.
Pressure30.45 inHg
Wind4.3 mph E
Humidity50%
Visibility—
Dew point25°
Tue, 2752° / 29°0
Morning34°feels 31°
Afternoon44°feels 43°
Evening42°feels 42°
Overnight33°feels 33°
52 °
Plains, Tuesday, 27 October
Mostly clear. High 52°, low 29°.
Pressure30.53 inHg
Wind3.9 mph E
Humidity44%
Visibility—
Dew point22°
Wed, 2854° / 28°0
Morning33°feels 33°
Afternoon46°feels 46°
Evening43°feels 43°
Overnight34°feels 34°
54 °
Plains, Wednesday, 28 October
Mostly clear. High 54°, low 28°.
Pressure30.33 inHg
Wind2.9 mph E
Humidity31%
Visibility—
Dew point15°
Thu, 2956° / 31°0
Morning36°feels 36°
Afternoon49°feels 49°
Evening45°feels 45°
Overnight37°feels 37°
56 °
Plains, Thursday, 29 October
Clear. High 56°, low 31°.
Pressure30.03 inHg
Wind2.5 mph E
Humidity30%
Visibility—
Dew point17°
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 Plains, 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.