10-day forecast for Harrison, MT: 25° to 54°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
54°
Best day: Saturday, October 31
44° · 0.48 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2645° / 28°0.02
Morning29°feels 29°
Afternoon43°feels 43°
Evening38°feels 38°
Overnight30°feels 30°
45 °
Harrison, Monday, 26 October
Light rain. High 45°, low 28°.
Pressure30.15 inHg
Wind2.3 mph N
Humidity76%
Visibility6.2 mi
Dew point28°
Tue, 2744° / 29°0.48
Morning35°feels 31°
Afternoon44°feels 40°
Evening33°feels 30°
Overnight35°feels 35°
44 °
Harrison, Tuesday, 27 October
Snow. High 44°, low 29°.
Pressure29.91 inHg
Wind3.6 mph SW
Humidity64%
Visibility6.2 mi
Dew point30°
Wed, 2847° / 25°0
Morning25°feels 25°
Afternoon46°feels 46°
Evening34°feels 34°
Overnight27°feels 27°
47 °
Harrison, Wednesday, 28 October
Mostly clear. High 47°, low 25°.
Pressure29.97 inHg
Wind1.4 mph E
Humidity61%
Visibility6.2 mi
Dew point26°
Thu, 2945° / 30°0.04
Morning33°feels 32°
Afternoon40°feels 38°
Evening39°feels 39°
Overnight32°feels 32°
45 °
Harrison, Thursday, 29 October
Snow. High 45°, low 30°.
Pressure30.12 inHg
Wind3.4 mph N
Humidity71%
Visibility—
Dew point29°
Fri, 3039° / 30°0.02
Morning31°feels 31°
Afternoon36°feels 33°
Evening39°feels 36°
Overnight37°feels 33°
39 °
Harrison, Friday, 30 October
Snow. High 39°, low 30°.
Pressure30.09 inHg
Wind5.2 mph W
Humidity84%
Visibility—
Dew point30°
Sat, 3154° / 38°0
Morning42°feels 40°
Afternoon49°feels 49°
Evening46°feels 41°
Overnight42°feels 37°
54 °
Harrison, Saturday, 31 October
Partly cloudy. High 54°, low 38°.
Pressure29.91 inHg
Wind14.5 mph S
Humidity43%
Visibility—
Dew point27°
Sun, 0149° / 37°0.03
Morning40°feels 40°
Afternoon47°feels 47°
Evening45°feels 45°
Overnight42°feels 42°
49 °
Harrison, Sunday, 1 November
Light rain. High 49°, low 37°.
Pressure29.71 inHg
Wind6.9 mph SW
Humidity52%
Visibility—
Dew point29°
Mon, 0249° / 36°0.04
Morning40°feels 38°
Afternoon43°feels 43°
Evening42°feels 39°
Overnight37°feels 33°
49 °
Harrison, Monday, 2 November
Snow. High 49°, low 36°.
Pressure30.00 inHg
Wind11 mph W
Humidity51%
Visibility—
Dew point26°
Tue, 0350° / 33°0
Morning37°feels 34°
Afternoon46°feels 42°
Evening43°feels 38°
Overnight36°feels 33°
50 °
Harrison, Tuesday, 3 November
Partly cloudy. High 50°, low 33°.
Pressure29.97 inHg
Wind10.4 mph S
Humidity42%
Visibility—
Dew point23°
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 Harrison, 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.