10-day forecast for Sumatra, MT: 31° to 56°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
56°
Best day: Wednesday, October 28
41° · 0.28 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2755° / 33°0.22
Morning36°feels 29°
Afternoon55°feels 52°
Evening44°feels 39°
Overnight33°feels 24°
55 °
Sumatra, Tuesday, 27 October
Rain. High 55°, low 33°.
Pressure29.83 inHg
Wind11.3 mph W
Humidity59%
Visibility6.2 mi
Dew point36°
Wed, 2856° / 36°0
Morning36°feels 29°
Afternoon55°feels 52°
Evening43°feels 39°
Overnight40°feels 33°
56 °
Sumatra, Wednesday, 28 October
Clear. High 56°, low 36°.
Pressure29.94 inHg
Wind11.1 mph W
Humidity44%
Visibility6.2 mi
Dew point29°
Thu, 2950° / 31°0
Morning31°feels 28°
Afternoon50°feels 46°
Evening38°feels 32°
Overnight37°feels 33°
50 °
Sumatra, Thursday, 29 October
Clear. High 50°, low 31°.
Pressure30.12 inHg
Wind7.6 mph NW
Humidity58%
Visibility6.2 mi
Dew point32°
Fri, 3049° / 33°0
Morning34°feels 26°
Afternoon47°feels 43°
Evening44°feels 44°
Overnight34°feels 27°
49 °
Sumatra, Friday, 30 October
Overcast. High 49°, low 33°.
Pressure30.06 inHg
Wind10.6 mph SE
Humidity71%
Visibility6.2 mi
Dew point34°
Sat, 3146° / 35°0.02
Morning37°feels 31°
Afternoon43°feels 40°
Evening43°feels 43°
Overnight40°feels 39°
46 °
Sumatra, Saturday, 31 October
Light rain. High 46°, low 35°.
Pressure30.00 inHg
Wind8.2 mph W
Humidity74%
Visibility—
Dew point34°
Sun, 0141° / 36°0.28
Morning40°feels 36°
Afternoon39°feels 31°
Evening37°feels 29°
Overnight37°feels 32°
41 °
Sumatra, Sunday, 1 November
Light rain. High 41°, low 36°.
Pressure29.94 inHg
Wind12.1 mph N
Humidity99%
Visibility—
Dew point39°
Mon, 0242° / 34°0
Morning36°feels 28°
Afternoon40°feels 31°
Evening37°feels 27°
Overnight35°feels 26°
42 °
Sumatra, Monday, 2 November
Mostly clear. High 42°, low 34°.
Pressure30.21 inHg
Wind25.1 mph NW
Humidity48%
Visibility—
Dew point22°
Tue, 0342° / 33°0
Morning35°feels 26°
Afternoon39°feels 34°
Evening39°feels 35°
Overnight35°feels 28°
42 °
Sumatra, Tuesday, 3 November
Overcast. High 42°, low 33°.
Pressure30.47 inHg
Wind15.2 mph NW
Humidity61%
Visibility—
Dew point26°
Wed, 0448° / 34°0
Morning37°feels 31°
Afternoon44°feels 40°
Evening44°feels 40°
Overnight40°feels 35°
48 °
Sumatra, Wednesday, 4 November
Mostly clear. High 48°, low 34°.
Pressure30.15 inHg
Wind8.7 mph SE
Humidity43%
Visibility—
Dew point22°
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 Sumatra, 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.