10-day forecast for Garrison, MT: 27° to 74°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Monday, October 19
46° · 0.52 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2065° / 38°0
Morning38°feels 38°
Afternoon62°feels 60°
Evening49°feels 47°
Overnight42°feels 42°
65 °
Garrison, Tuesday, 20 October
Partly cloudy. High 65°, low 38°.
Pressure30.09 inHg
Wind5.6 mph SE
Humidity41%
Visibility6.2 mi
Dew point33°
Wed, 2163° / 37°0
Morning38°feels 36°
Afternoon63°feels 61°
Evening53°feels 51°
Overnight39°feels 36°
63 °
Garrison, Wednesday, 21 October
Partly cloudy. High 63°, low 37°.
Pressure30.00 inHg
Wind3.2 mph SE
Humidity45%
Visibility6.2 mi
Dew point36°
Thu, 2266° / 42°0.05
Morning42°feels 39°
Afternoon65°feels 63°
Evening50°feels 49°
Overnight45°feels 44°
66 °
Garrison, Thursday, 22 October
Light rain. High 66°, low 42°.
Pressure29.85 inHg
Wind6.4 mph SE
Humidity50%
Visibility6.2 mi
Dew point41°
Fri, 2346° / 40°0.52
Morning44°feels 39°
Afternoon40°feels 32°
Evening41°feels 33°
Overnight46°feels 46°
46 °
Garrison, Friday, 23 October
Rain. High 46°, low 40°.
Pressure29.85 inHg
Wind15.8 mph W
Humidity97%
Visibility3.1 mi
Dew point39°
Sat, 2447° / 31°0
Morning34°feels 32°
Afternoon42°feels 42°
Evening43°feels 43°
Overnight36°feels 36°
47 °
Garrison, Saturday, 24 October
Clear. High 47°, low 31°.
Pressure30.24 inHg
Wind11.7 mph W
Humidity64%
Visibility—
Dew point29°
Sun, 2562° / 35°0
Morning41°feels 40°
Afternoon54°feels 51°
Evening53°feels 50°
Overnight45°feels 44°
62 °
Garrison, Sunday, 25 October
Mostly clear. High 62°, low 35°.
Pressure30.18 inHg
Wind7.4 mph W
Humidity25%
Visibility—
Dew point17°
Mon, 2649° / 33°0
Morning41°feels 40°
Afternoon44°feels 40°
Evening40°feels 36°
Overnight34°feels 31°
49 °
Garrison, Monday, 26 October
Overcast. High 49°, low 33°.
Pressure30.21 inHg
Wind9 mph NE
Humidity48%
Visibility—
Dew point26°
Tue, 2751° / 27°0
Morning32°feels 31°
Afternoon44°feels 42°
Evening45°feels 44°
Overnight36°feels 34°
51 °
Garrison, Tuesday, 27 October
Clear. High 51°, low 27°.
Pressure30.36 inHg
Wind3.7 mph SE
Humidity49%
Visibility—
Dew point23°
Wed, 2855° / 32°0
Morning37°feels 36°
Afternoon47°feels 47°
Evening47°feels 47°
Overnight41°feels 41°
55 °
Garrison, Wednesday, 28 October
Clear. High 55°, low 32°.
Pressure30.18 inHg
Wind3.2 mph SE
Humidity34%
Visibility—
Dew point19°
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 Garrison, 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.