10-day forecast for Alpine, MT: 23° to 66°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Saturday, October 17
51° · 0.72 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1856° / 37°0
Morning39°feels 39°
Afternoon56°feels 53°
Evening46°feels 46°
Overnight44°feels 39°
56 °
Alpine, Sunday, 18 October
Partly cloudy. High 56°, low 37°.
Pressure30.09 inHg
Wind2.2 mph N
Humidity51%
Visibility6.2 mi
Dew point29°
Mon, 1964° / 42°0
Morning44°feels 41°
Afternoon64°feels 62°
Evening49°feels 49°
Overnight42°feels 38°
64 °
Alpine, Monday, 19 October
Clear. High 64°, low 42°.
Pressure29.94 inHg
Wind1.8 mph SW
Humidity38%
Visibility6.2 mi
Dew point22°
Tue, 2061° / 44°0
Morning45°feels 41°
Afternoon60°feels 58°
Evening49°feels 49°
Overnight45°feels 43°
61 °
Alpine, Tuesday, 20 October
Partly cloudy. High 61°, low 44°.
Pressure30.00 inHg
Wind1.9 mph N
Humidity43%
Visibility6.2 mi
Dew point29°
Wed, 2161° / 42°0.03
Morning48°feels 47°
Afternoon60°feels 58°
Evening53°feels 52°
Overnight44°feels 44°
61 °
Alpine, Wednesday, 21 October
Light rain. High 61°, low 42°.
Pressure30.09 inHg
Wind3.5 mph SW
Humidity53%
Visibility—
Dew point41°
Thu, 2264° / 45°0.02
Morning50°feels 48°
Afternoon62°feels 60°
Evening55°feels 53°
Overnight51°feels 49°
64 °
Alpine, Thursday, 22 October
Light rain. High 64°, low 45°.
Pressure29.94 inHg
Wind5.3 mph S
Humidity43%
Visibility—
Dew point38°
Fri, 2351° / 35°0.72
Morning46°feels 41°
Afternoon44°feels 39°
Evening39°feels 34°
Overnight37°feels 33°
51 °
Alpine, Friday, 23 October
Snow. High 51°, low 35°.
Pressure29.50 inHg
Wind10 mph SW
Humidity85%
Visibility—
Dew point40°
Sat, 2434° / 27°0.22
Morning33°feels 29°
Afternoon33°feels 28°
Evening29°feels 26°
Overnight28°feels 28°
34 °
Alpine, Saturday, 24 October
Light snow. High 34°, low 27°.
Pressure30.30 inHg
Wind5.7 mph NE
Humidity91%
Visibility—
Dew point31°
Sun, 2540° / 23°0.05
Morning28°feels 20°
Afternoon38°feels 33°
Evening33°feels 24°
Overnight30°feels 21°
40 °
Alpine, Sunday, 25 October
Light snow. High 40°, low 23°.
Pressure30.12 inHg
Wind12.2 mph SW
Humidity57%
Visibility—
Dew point23°
Mon, 2642° / 31°0.03
Morning36°feels 29°
Afternoon40°feels 34°
Evening35°feels 29°
Overnight32°feels 23°
42 °
Alpine, Monday, 26 October
Light rain. High 42°, low 31°.
Pressure29.97 inHg
Wind10.8 mph SW
Humidity69%
Visibility—
Dew point31°
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 Alpine, 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.