10-day forecast for Lanark, MT: 27° to 51°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
50°
Best day: Wednesday, November 4
38° · 0.13 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2738° / 30°0.13
Morning33°feels 24°
Afternoon35°feels 29°
Evening33°feels 31°
Overnight32°feels 21°
38 °
Lanark, Tuesday, 27 October
Snow. High 38°, low 30°.
Pressure29.88 inHg
Wind13 mph SE
Humidity85%
Visibility5.8 mi
Dew point33°
Wed, 2849° / 31°0
Morning33°feels 27°
Afternoon49°feels 44°
Evening37°feels 34°
Overnight34°feels 29°
49 °
Lanark, Wednesday, 28 October
Clear. High 49°, low 31°.
Pressure29.94 inHg
Wind14.8 mph W
Humidity60%
Visibility6.2 mi
Dew point33°
Thu, 2944° / 28°0
Morning29°feels 23°
Afternoon43°feels 39°
Evening34°feels 30°
Overnight31°feels 25°
44 °
Lanark, Thursday, 29 October
Light rain. High 44°, low 28°.
Pressure30.21 inHg
Wind7 mph N
Humidity81%
Visibility6.2 mi
Dew point33°
Fri, 3044° / 27°0
Morning29°feels 23°
Afternoon42°feels 36°
Evening39°feels 32°
Overnight29°feels 23°
44 °
Lanark, Friday, 30 October
Overcast. High 44°, low 27°.
Pressure30.30 inHg
Wind9 mph E
Humidity68%
Visibility6.2 mi
Dew point24°
Sat, 3151° / 41°0.02
Morning46°feels 41°
Afternoon50°feels 49°
Evening47°feels 43°
Overnight45°feels 41°
51 °
Lanark, Saturday, 31 October
Light rain. High 51°, low 41°.
Pressure29.94 inHg
Wind12.4 mph E
Humidity85%
Visibility—
Dew point46°
Sun, 0151° / 39°0.21
Morning42°feels 38°
Afternoon50°feels 47°
Evening44°feels 42°
Overnight42°feels 39°
51 °
Lanark, Sunday, 1 November
Rain. High 51°, low 39°.
Pressure29.88 inHg
Wind9.2 mph SE
Humidity61%
Visibility—
Dew point36°
Mon, 0249° / 36°0
Morning42°feels 37°
Afternoon47°feels 41°
Evening43°feels 37°
Overnight37°feels 31°
49 °
Lanark, Monday, 2 November
Overcast. High 49°, low 36°.
Pressure29.97 inHg
Wind13.3 mph NW
Humidity49%
Visibility—
Dew point28°
Tue, 0345° / 31°0
Morning34°feels 27°
Afternoon41°feels 34°
Evening38°feels 33°
Overnight33°feels 29°
45 °
Lanark, Tuesday, 3 November
Clear. High 45°, low 31°.
Pressure30.03 inHg
Wind13.3 mph W
Humidity52%
Visibility—
Dew point23°
Wed, 0450° / 33°0
Morning37°feels 36°
Afternoon45°feels 42°
Evening43°feels 38°
Overnight40°feels 35°
50 °
Lanark, Wednesday, 4 November
Partly cloudy. High 50°, low 33°.
Pressure29.68 inHg
Wind11.9 mph W
Humidity39%
Visibility—
Dew point20°
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 Lanark, 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.