10-day forecast for Harrison, MT: 21° to 67°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Thursday, October 22
50° · 1.38 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2350° / 31°1.38
Morning46°feels 46°
Afternoon40°feels 33°
Evening35°feels 35°
Overnight48°feels 48°
50 °
Harrison, Friday, 23 October
Snow. High 50°, low 31°.
Pressure29.74 inHg
Wind7.7 mph W
Humidity89%
Visibility1.0 mi
Dew point44°
Sat, 2437° / 23°0
Morning23°feels 23°
Afternoon35°feels 35°
Evening32°feels 32°
Overnight24°feels 24°
37 °
Harrison, Saturday, 24 October
Partly cloudy. High 37°, low 23°.
Pressure30.45 inHg
Wind0.7 mph N
Humidity97%
Visibility2.4 mi
Dew point29°
Sun, 2541° / 27°0
Morning27°feels 27°
Afternoon39°feels 39°
Evening34°feels 34°
Overnight31°feels 31°
41 °
Harrison, Sunday, 25 October
Clear. High 41°, low 27°.
Pressure30.33 inHg
Wind2.1 mph E
Humidity79%
Visibility6.2 mi
Dew point28°
Mon, 2643° / 28°0
Morning30°feels 30°
Afternoon41°feels 41°
Evening38°feels 38°
Overnight30°feels 30°
43 °
Harrison, Monday, 26 October
Overcast. High 43°, low 28°.
Pressure30.21 inHg
Wind1.4 mph NE
Humidity77%
Visibility6.2 mi
Dew point29°
Tue, 2742° / 32°0.14
Morning35°feels 35°
Afternoon39°feels 39°
Evening37°feels 37°
Overnight35°feels 35°
42 °
Harrison, Tuesday, 27 October
Light rain. High 42°, low 32°.
Pressure30.00 inHg
Wind3.3 mph NW
Humidity79%
Visibility—
Dew point33°
Wed, 2836° / 25°0.07
Morning35°feels 35°
Afternoon35°feels 34°
Evening30°feels 26°
Overnight27°feels 27°
36 °
Harrison, Wednesday, 28 October
Snow. High 36°, low 25°.
Pressure30.39 inHg
Wind4 mph NE
Humidity78%
Visibility—
Dew point29°
Thu, 2928° / 21°0.1
Morning22°feels 21°
Afternoon26°feels 21°
Evening28°feels 28°
Overnight27°feels 27°
28 °
Harrison, Thursday, 29 October
Light snow. High 28°, low 21°.
Pressure30.24 inHg
Wind4.9 mph NE
Humidity91%
Visibility—
Dew point23°
Fri, 3031° / 26°0.11
Morning27°feels 27°
Afternoon29°feels 29°
Evening30°feels 30°
Overnight27°feels 27°
31 °
Harrison, Friday, 30 October
Snow. High 31°, low 26°.
Pressure29.97 inHg
Wind3.1 mph NE
Humidity93%
Visibility—
Dew point27°
Sat, 3134° / 23°0.24
Morning31°feels 26°
Afternoon33°feels 29°
Evening29°feels 23°
Overnight29°feels 23°
34 °
Harrison, Saturday, 31 October
Snow. High 34°, low 23°.
Pressure29.97 inHg
Wind6.7 mph SW
Humidity91%
Visibility—
Dew point30°
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.