10-day forecast for Boulder, MT: 22° to 49°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
49°
Best day: Tuesday, November 3
46° · 0.11 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2644° / 24°0
Morning25°feels 25°
Afternoon43°feels 43°
Evening31°feels 31°
Overnight26°feels 26°
44 °
Boulder, Monday, 26 October
Overcast. High 44°, low 24°.
Pressure30.09 inHg
Wind2.1 mph SE
Humidity74%
Visibility6.2 mi
Dew point27°
Tue, 2741° / 26°0.07
Morning33°feels 33°
Afternoon40°feels 37°
Evening30°feels 30°
Overnight30°feels 30°
41 °
Boulder, Tuesday, 27 October
Snow. High 41°, low 26°.
Pressure29.94 inHg
Wind4.7 mph W
Humidity77%
Visibility6.2 mi
Dew point29°
Wed, 2843° / 23°0
Morning24°feels 24°
Afternoon42°feels 39°
Evening29°feels 29°
Overnight25°feels 25°
43 °
Boulder, Wednesday, 28 October
Clear. High 43°, low 23°.
Pressure30.03 inHg
Wind3.5 mph S
Humidity71%
Visibility6.2 mi
Dew point24°
Thu, 2940° / 22°0.02
Morning28°feels 28°
Afternoon38°feels 37°
Evening28°feels 22°
Overnight24°feels 19°
40 °
Boulder, Thursday, 29 October
Light snow. High 40°, low 22°.
Pressure29.94 inHg
Wind5.6 mph N
Humidity71%
Visibility—
Dew point29°
Fri, 3042° / 23°0.02
Morning27°feels 27°
Afternoon37°feels 37°
Evening38°feels 38°
Overnight34°feels 34°
42 °
Boulder, Friday, 30 October
Light snow. High 42°, low 23°.
Pressure30.03 inHg
Wind3.2 mph SE
Humidity83%
Visibility—
Dew point30°
Sat, 3146° / 33°0.11
Morning39°feels 38°
Afternoon43°feels 40°
Evening38°feels 34°
Overnight33°feels 30°
46 °
Boulder, Saturday, 31 October
Snow. High 46°, low 33°.
Pressure29.83 inHg
Wind8.7 mph SW
Humidity74%
Visibility—
Dew point35°
Sun, 0144° / 28°0
Morning32°feels 26°
Afternoon40°feels 35°
Evening36°feels 32°
Overnight31°feels 27°
44 °
Boulder, Sunday, 1 November
Partly cloudy. High 44°, low 28°.
Pressure30.09 inHg
Wind12.7 mph SW
Humidity38%
Visibility—
Dew point16°
Mon, 0249° / 32°0
Morning36°feels 32°
Afternoon45°feels 42°
Evening37°feels 33°
Overnight32°feels 28°
49 °
Boulder, Monday, 2 November
Overcast. High 49°, low 32°.
Pressure30.15 inHg
Wind5 mph S
Humidity32%
Visibility—
Dew point16°
Tue, 0349° / 31°0
Morning36°feels 31°
Afternoon44°feels 38°
Evening38°feels 31°
Overnight31°feels 27°
49 °
Boulder, Tuesday, 3 November
Overcast. High 49°, low 31°.
Pressure29.83 inHg
Wind14.5 mph SW
Humidity36%
Visibility—
Dew point18°
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 Boulder, 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.