10-day forecast for Grass Range, MT: 30° to 71°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Thursday, October 22
49° · 0.28 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2271° / 44°0
Morning44°feels 41°
Afternoon70°feels 68°
Evening55°feels 53°
Overnight45°feels 41°
71 °
Grass Range, Thursday, 22 October
Clear. High 71°, low 44°.
Pressure29.85 inHg
Wind3.4 mph E
Humidity40%
Visibility6.2 mi
Dew point44°
Fri, 2362° / 36°0.12
Morning49°feels 49°
Afternoon54°feels 53°
Evening38°feels 27°
Overnight52°feels 51°
62 °
Grass Range, Friday, 23 October
Light rain. High 62°, low 36°.
Pressure29.62 inHg
Wind10.8 mph W
Humidity60%
Visibility6.2 mi
Dew point48°
Sat, 2447° / 30°0.04
Morning30°feels 23°
Afternoon45°feels 42°
Evening37°feels 33°
Overnight37°feels 28°
47 °
Grass Range, Saturday, 24 October
Light rain. High 47°, low 30°.
Pressure30.42 inHg
Wind1.9 mph NW
Humidity61%
Visibility6.2 mi
Dew point23°
Sun, 2546° / 30°0
Morning32°feels 28°
Afternoon42°feels 38°
Evening41°feels 37°
Overnight33°feels 28°
46 °
Grass Range, Sunday, 25 October
Clear. High 46°, low 30°.
Pressure30.36 inHg
Wind6.3 mph E
Humidity64%
Visibility6.2 mi
Dew point29°
Mon, 2643° / 36°0
Morning37°feels 36°
Afternoon39°feels 35°
Evening39°feels 34°
Overnight36°feels 32°
43 °
Grass Range, Monday, 26 October
Overcast. High 43°, low 36°.
Pressure30.50 inHg
Wind8.3 mph SE
Humidity71%
Visibility—
Dew point30°
Tue, 2757° / 37°0
Morning46°feels 44°
Afternoon54°feels 51°
Evening46°feels 41°
Overnight43°feels 38°
57 °
Grass Range, Tuesday, 27 October
Overcast. High 57°, low 37°.
Pressure29.94 inHg
Wind10.9 mph W
Humidity33%
Visibility—
Dew point25°
Wed, 2849° / 32°0.28
Morning36°feels 31°
Afternoon41°feels 39°
Evening41°feels 40°
Overnight38°feels 34°
49 °
Grass Range, Wednesday, 28 October
Snow. High 49°, low 32°.
Pressure30.27 inHg
Wind9.7 mph NW
Humidity65%
Visibility—
Dew point29°
Thu, 2955° / 34°0
Morning40°feels 37°
Afternoon51°feels 48°
Evening46°feels 41°
Overnight41°feels 36°
55 °
Grass Range, Thursday, 29 October
Clear. High 55°, low 34°.
Pressure30.00 inHg
Wind15.5 mph S
Humidity50%
Visibility—
Dew point32°
Fri, 3061° / 41°0
Morning46°feels 42°
Afternoon56°feels 54°
Evening48°feels 47°
Overnight46°feels 42°
61 °
Grass Range, Friday, 30 October
Mostly clear. High 61°, low 41°.
Pressure29.53 inHg
Wind8.4 mph SW
Humidity37%
Visibility—
Dew point29°
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 Grass Range, 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.