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As of 03:30 MDT

Weather in Summit, MT

29°Current weather

Summit, Tuesday, 20 October, 03:30

Overcast. Feels like 29°. High 58°, low 29°.

Pressure30.03 inHg
Wind1.4 mph SW
Humidity71%
Visibility6.2 mi
Dew point22°

10-day forecast for Summit, MT: 16° to 60°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

58°
Best day: Tuesday, October 20
43° · 1.07 in
Worst day: Friday, October 23

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

Wed, 2159° / 29°0.02Light rain
MorningClear30°feels 30°
AfternoonMostly clear56°feels 54°
EveningClear45°feels 45°
OvernightClear32°feels 32°
59 °Light rain

Summit, Wednesday, 21 October

Light rain. High 59°, low 29°.

Pressure30.06 inHg
Wind2.3 mph W
Humidity54%
Visibility6.2 mi
Dew point40°
Thu, 2260° / 38°0.03Light rain
MorningClear38°feels 38°
AfternoonLight rain60°feels 58°
EveningOvercast46°feels 46°
OvernightClear40°feels 40°
60 °Light rain

Summit, Thursday, 22 October

Light rain. High 60°, low 38°.

Pressure29.91 inHg
Wind2.8 mph S
Humidity54%
Visibility6.2 mi
Dew point42°
Fri, 2343° / 30°1.07Snow
MorningLight rain41°feels 41°
AfternoonRain40°feels 40°
EveningSnow31°feels 26°
OvernightOvercast42°feels 42°
43 °Snow

Summit, Friday, 23 October

Snow. High 43°, low 30°.

Pressure29.74 inHg
Wind2.8 mph W
Humidity98%
Visibility1.4 mi
Dew point44°
Sat, 2439° / 25°0.03Light snow
MorningLight snow28°feels 28°
AfternoonLight snow34°feels 34°
EveningLight snow34°feels 34°
OvernightOvercast28°feels 24°
39 °Light snow

Summit, Saturday, 24 October

Light snow. High 39°, low 25°.

Pressure30.36 inHg
Wind3.6 mph E
Humidity84%
Visibility—
Dew point28°
Sun, 2546° / 25°0Clear
MorningClear31°feels 31°
AfternoonClear42°feels 41°
EveningClear36°feels 34°
OvernightClear28°feels 24°
46 °Clear

Summit, Sunday, 25 October

Clear. High 46°, low 25°.

Pressure30.30 inHg
Wind4.1 mph SE
Humidity59%
Visibility—
Dew point27°
Mon, 2639° / 23°0Clear
MorningClear27°feels 26°
AfternoonClear34°feels 29°
EveningClear29°feels 24°
OvernightClear23°feels 20°
39 °Clear

Summit, Monday, 26 October

Clear. High 39°, low 23°.

Pressure30.30 inHg
Wind7.2 mph NE
Humidity56%
Visibility—
Dew point20°
Tue, 2736° / 16°0Clear
MorningClear20°feels 15°
AfternoonClear29°feels 25°
EveningClear29°feels 29°
OvernightClear23°feels 19°
36 °Clear

Summit, Tuesday, 27 October

Clear. High 36°, low 16°.

Pressure30.53 inHg
Wind4.2 mph NE
Humidity36%
Visibility—
Dew point3°
Wed, 2845° / 24°0Clear
MorningClear28°feels 25°
AfternoonClear38°feels 38°
EveningClear35°feels 35°
OvernightClear28°feels 24°
45 °Clear

Summit, Wednesday, 28 October

Clear. High 45°, low 24°.

Pressure30.18 inHg
Wind4.5 mph SW
Humidity24%
Visibility—
Dew point3°
Thu, 2947° / 27°0Clear
MorningClear31°feels 29°
AfternoonClear41°feels 41°
EveningClear37°feels 37°
OvernightClear31°feels 29°
47 °Clear

Summit, Thursday, 29 October

Clear. High 47°, low 27°.

Pressure29.91 inHg
Wind3.9 mph S
Humidity30%
Visibility—
Dew point11°

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.