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As of 18:18 MDT

Weather in Summit, MT

51°Current weather

Summit, Tuesday, 20 October, 18:18

Mostly clear. Feels like 47°. High 52°, low 27°.

Pressure30.06 inHg
Wind0.8 mph SE
Humidity46%
Visibility6.2 mi
Dew point31°

10-day forecast for Summit, MT: 19° to 60°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

60°
Best day: Wednesday, October 21
44° · 0.73 in
Worst day: Friday, October 23

Tap any day below to see morning, afternoon, evening and overnight.

Wed, 2160° / 28°0Mostly clear
MorningClear29°feels 29°
AfternoonMostly clear56°feels 54°
EveningMostly clear42°feels 42°
OvernightClear31°feels 31°
60 °Mostly clear

Summit, Wednesday, 21 October

Mostly clear. High 60°, low 28°.

Pressure30.06 inHg
Wind1.8 mph W
Humidity53%
Visibility6.2 mi
Dew point40°
Thu, 2260° / 29°0.02Light rain
MorningClear39°feels 39°
AfternoonOvercast60°feels 58°
EveningOvercast47°feels 45°
OvernightClear32°feels 32°
60 °Light rain

Summit, Thursday, 22 October

Light rain. High 60°, low 29°.

Pressure29.91 inHg
Wind3.2 mph S
Humidity54%
Visibility6.2 mi
Dew point42°
Fri, 2344° / 29°0.73Snow
MorningOvercast41°feels 41°
AfternoonRain41°feels 36°
EveningSnow30°feels 25°
OvernightPartly cloudy41°feels 41°
44 °Snow

Summit, Friday, 23 October

Snow. High 44°, low 29°.

Pressure29.80 inHg
Wind2.4 mph N
Humidity96%
Visibility2.9 mi
Dew point44°
Sat, 2436° / 25°0.07Snow
MorningOvercast26°feels 26°
AfternoonMostly clear34°feels 34°
EveningSnow32°feels 32°
OvernightOvercast27°feels 23°
36 °Snow

Summit, Saturday, 24 October

Snow. High 36°, low 25°.

Pressure30.42 inHg
Wind0.7 mph N
Humidity94%
Visibility6.2 mi
Dew point26°
Sun, 2542° / 25°0Clear
MorningClear29°feels 29°
AfternoonClear39°feels 38°
EveningClear32°feels 30°
OvernightClear26°feels 26°
42 °Clear

Summit, Sunday, 25 October

Clear. High 42°, low 25°.

Pressure30.30 inHg
Wind3.4 mph E
Humidity67%
Visibility—
Dew point28°
Mon, 2630° / 20°0Overcast
MorningOvercast22°feels 21°
AfternoonOvercast25°feels 20°
EveningOvercast25°feels 20°
OvernightOvercast20°feels 16°
30 °Overcast

Summit, Monday, 26 October

Overcast. High 30°, low 20°.

Pressure30.53 inHg
Wind5 mph NE
Humidity73%
Visibility—
Dew point17°
Tue, 2746° / 20°0Clear
MorningClear27°feels 21°
AfternoonClear40°feels 37°
EveningClear34°feels 34°
OvernightClear25°feels 21°
46 °Clear

Summit, Tuesday, 27 October

Clear. High 46°, low 20°.

Pressure30.18 inHg
Wind5.1 mph SW
Humidity22%
Visibility—
Dew point2°
Wed, 2836° / 19°0Overcast
MorningOvercast22°feels 18°
AfternoonOvercast31°feels 27°
EveningOvercast28°feels 24°
OvernightOvercast22°feels 17°
36 °Overcast

Summit, Wednesday, 28 October

Overcast. High 36°, low 19°.

Pressure30.33 inHg
Wind4.3 mph NE
Humidity45%
Visibility—
Dew point11°
Thu, 2948° / 23°0Overcast
MorningOvercast31°feels 27°
AfternoonOvercast43°feels 39°
EveningOvercast37°feels 31°
OvernightOvercast30°feels 24°
48 °Overcast

Summit, Thursday, 29 October

Overcast. High 48°, low 23°.

Pressure29.91 inHg
Wind7.9 mph SW
Humidity33%
Visibility—
Dew point14°

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 Summit, 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.