10-day forecast for Plains, MT: 30° to 53°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
53°
Best day: Sunday, November 1
51° · 0.17 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2451° / 34°0
Morning34°feels 34°
Afternoon48°feels 48°
Evening41°feels 41°
Overnight40°feels 40°
51 °
Plains, Saturday, 24 October
Clear. High 51°, low 34°.
Pressure30.27 inHg
Wind1.5 mph SW
Humidity65%
Visibility6.2 mi
Dew point33°
Sun, 2550° / 32°0
Morning32°feels 32°
Afternoon48°feels 46°
Evening39°feels 39°
Overnight39°feels 39°
50 °
Plains, Sunday, 25 October
Mostly clear. High 50°, low 32°.
Pressure30.24 inHg
Wind3.8 mph E
Humidity62%
Visibility6.2 mi
Dew point29°
Mon, 2647° / 30°0.06
Morning31°feels 31°
Afternoon46°feels 46°
Evening39°feels 37°
Overnight32°feels 32°
47 °
Plains, Monday, 26 October
Light rain. High 47°, low 30°.
Pressure30.06 inHg
Wind2 mph E
Humidity65%
Visibility6.2 mi
Dew point29°
Tue, 2746° / 36°0.13
Morning37°feels 37°
Afternoon45°feels 41°
Evening43°feels 41°
Overnight37°feels 37°
46 °
Plains, Tuesday, 27 October
Light rain. High 46°, low 36°.
Pressure30.15 inHg
Wind2.3 mph SW
Humidity88%
Visibility4.4 mi
Dew point38°
Wed, 2844° / 31°0.04
Morning34°feels 34°
Afternoon42°feels 42°
Evening40°feels 40°
Overnight35°feels 35°
44 °
Plains, Wednesday, 28 October
Light rain. High 44°, low 31°.
Pressure29.91 inHg
Wind5.3 mph SW
Humidity71%
Visibility—
Dew point32°
Thu, 2951° / 36°0.01
Morning40°feels 40°
Afternoon46°feels 46°
Evening43°feels 41°
Overnight37°feels 35°
51 °
Plains, Thursday, 29 October
Light rain. High 51°, low 36°.
Pressure29.97 inHg
Wind5.6 mph W
Humidity66%
Visibility—
Dew point35°
Fri, 3053° / 33°0
Morning37°feels 37°
Afternoon47°feels 46°
Evening44°feels 42°
Overnight36°feels 34°
53 °
Plains, Friday, 30 October
Overcast. High 53°, low 33°.
Pressure29.94 inHg
Wind4.6 mph W
Humidity59%
Visibility—
Dew point31°
Sat, 3151° / 31°0
Morning36°feels 36°
Afternoon46°feels 46°
Evening43°feels 43°
Overnight38°feels 38°
51 °
Plains, Saturday, 31 October
Overcast. High 51°, low 31°.
Pressure30.03 inHg
Wind3.7 mph W
Humidity54%
Visibility—
Dew point28°
Sun, 0153° / 32°0
Morning37°feels 34°
Afternoon48°feels 46°
Evening42°feels 39°
Overnight32°feels 28°
53 °
Plains, Sunday, 1 November
Clear. High 53°, low 32°.
Pressure30.12 inHg
Wind5.9 mph SW
Humidity49%
Visibility—
Dew point28°
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.