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As of 19:22 MDT

Weather in Summit, MT

51°Current weather

Summit, Saturday, 17 October, 19:22

Partly cloudy. Feels like 47°. High 56°, low 23°.

Pressure30.00 inHg
Wind5.1 mph SW
Humidity35%
Visibility6.2 mi
Dew point25°

10-day forecast for Summit, MT: 16° to 59°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

59°
Best day: Monday, October 19
44° · 0.93 in
Worst day: Friday, October 23

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

Sun, 1854° / 23°0Mostly clear
MorningOvercast23°feels 23°
AfternoonMostly clear50°feels 47°
EveningClear35°feels 35°
OvernightOvercast27°feels 23°
54 °Mostly clear

Summit, Sunday, 18 October

Mostly clear. High 54°, low 23°.

Pressure30.09 inHg
Wind2.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point33°
Mon, 1959° / 24°0Partly cloudy
MorningClear24°feels 24°
AfternoonMostly clear59°feels 56°
EveningClear41°feels 41°
OvernightClear25°feels 25°
59 °Partly cloudy

Summit, Monday, 19 October

Partly cloudy. High 59°, low 24°.

Pressure29.97 inHg
Wind1.5 mph W
Humidity42%
Visibility6.2 mi
Dew point32°
Tue, 2056° / 35°0Overcast
MorningOvercast37°feels 37°
AfternoonOvercast56°feels 54°
EveningClear44°feels 44°
OvernightOvercast35°feels 35°
56 °Overcast

Summit, Tuesday, 20 October

Overcast. High 56°, low 35°.

Pressure30.03 inHg
Wind2.3 mph NW
Humidity50%
Visibility6.2 mi
Dew point36°
Wed, 2158° / 40°0.06Light rain
MorningOvercast41°feels 41°
AfternoonMostly clear56°feels 54°
EveningLight rain51°feels 49°
OvernightPartly cloudy40°feels 40°
58 °Light rain

Summit, Wednesday, 21 October

Light rain. High 58°, low 40°.

Pressure30.06 inHg
Wind1.7 mph NW
Humidity65%
Visibility6.2 mi
Dew point43°
Thu, 2258° / 39°0.04Light rain
MorningLight rain46°feels 46°
AfternoonLight rain57°feels 55°
EveningLight rain51°feels 49°
OvernightLight rain43°feels 43°
58 °Light rain

Summit, Thursday, 22 October

Light rain. High 58°, low 39°.

Pressure29.83 inHg
Wind7.2 mph S
Humidity51%
Visibility—
Dew point38°
Fri, 2344° / 26°0.93Snow
MorningSnow39°feels 38°
AfternoonSnow35°feels 31°
EveningSnow28°feels 21°
OvernightSnow29°feels 24°
44 °Snow

Summit, Friday, 23 October

Snow. High 44°, low 26°.

Pressure29.83 inHg
Wind6.7 mph N
Humidity94%
Visibility—
Dew point36°
Sat, 2430° / 17°0.02Light snow
MorningLight snow25°feels 25°
AfternoonLight snow27°feels 27°
EveningLight snow25°feels 24°
OvernightLight snow18°feels 13°
30 °Light snow

Summit, Saturday, 24 October

Light snow. High 30°, low 17°.

Pressure30.53 inHg
Wind4.7 mph N
Humidity87%
Visibility—
Dew point23°
Sun, 2543° / 16°0Clear
MorningClear23°feels 16°
AfternoonClear37°feels 33°
EveningClear33°feels 30°
OvernightClear25°feels 19°
43 °Clear

Summit, Sunday, 25 October

Clear. High 43°, low 16°.

Pressure30.33 inHg
Wind6.2 mph S
Humidity68%
Visibility—
Dew point25°
Mon, 2650° / 24°0Clear
MorningClear30°feels 25°
AfternoonClear44°feels 42°
EveningClear38°feels 34°
OvernightClear29°feels 23°
50 °Clear

Summit, Monday, 26 October

Clear. High 50°, low 24°.

Pressure29.97 inHg
Wind6.6 mph S
Humidity35%
Visibility—
Dew point16°

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.