10-day forecast for Mammoth, MT: 19° to 63°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Monday, October 19
30° · 0.06 in
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1759° / 29°0
Morning30°feels 24°
Afternoon58°feels 54°
Evening50°feels 47°
Overnight32°feels 27°
59 °
Mammoth, Saturday, 17 October
Overcast. High 59°, low 29°.
Pressure30.12 inHg
Wind5.9 mph SW
Humidity35%
Visibility6.2 mi
Dew point29°
Sun, 1861° / 41°0
Morning41°feels 41°
Afternoon59°feels 56°
Evening46°feels 46°
Overnight46°feels 45°
61 °
Mammoth, Sunday, 18 October
Clear. High 61°, low 41°.
Pressure30.06 inHg
Wind2.4 mph NW
Humidity45%
Visibility6.2 mi
Dew point33°
Mon, 1963° / 40°0
Morning39°feels 39°
Afternoon61°feels 58°
Evening47°feels 47°
Overnight43°feels 43°
63 °
Mammoth, Monday, 19 October
Mostly clear. High 63°, low 40°.
Pressure29.88 inHg
Wind2.2 mph W
Humidity40%
Visibility6.2 mi
Dew point33°
Tue, 2057° / 43°0
Morning48°feels 47°
Afternoon53°feels 51°
Evening51°feels 49°
Overnight43°feels 43°
57 °
Mammoth, Tuesday, 20 October
Overcast. High 57°, low 43°.
Pressure29.88 inHg
Wind3.3 mph S
Humidity51%
Visibility—
Dew point35°
Wed, 2157° / 40°0
Morning43°feels 43°
Afternoon52°feels 50°
Evening51°feels 48°
Overnight44°feels 42°
57 °
Mammoth, Wednesday, 21 October
Clear. High 57°, low 40°.
Pressure30.06 inHg
Wind5.3 mph S
Humidity61%
Visibility—
Dew point37°
Thu, 2256° / 40°0
Morning44°feels 39°
Afternoon53°feels 50°
Evening50°feels 47°
Overnight45°feels 42°
56 °
Mammoth, Thursday, 22 October
Overcast. High 56°, low 40°.
Pressure29.88 inHg
Wind9 mph SW
Humidity39%
Visibility—
Dew point28°
Fri, 2346° / 31°0.15
Morning40°feels 37°
Afternoon38°feels 37°
Evening36°feels 31°
Overnight33°feels 28°
46 °
Mammoth, Friday, 23 October
Snow. High 46°, low 31°.
Pressure29.80 inHg
Wind6.8 mph SW
Humidity77%
Visibility—
Dew point32°
Sat, 2430° / 22°0.06
Morning24°feels 18°
Afternoon27°feels 21°
Evening26°feels 23°
Overnight22°feels 21°
30 °
Mammoth, Saturday, 24 October
Light snow. High 30°, low 22°.
Pressure30.33 inHg
Wind5.1 mph NE
Humidity70%
Visibility—
Dew point18°
Sun, 2537° / 19°0
Morning23°feels 15°
Afternoon33°feels 26°
Evening33°feels 26°
Overnight27°feels 19°
37 °
Mammoth, Sunday, 25 October
Partly cloudy. High 37°, low 19°.
Pressure30.24 inHg
Wind8.9 mph SW
Humidity41%
Visibility—
Dew point10°
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 Mammoth, 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.