10-day forecast for Summit Valley, MT: 29° to 63°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Sunday, November 8
40° · 0.38 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0242° / 34°0
Morning35°feels 29°
Afternoon40°feels 36°
Evening35°feels 35°
Overnight36°feels 30°
42 °
Summit Valley, Monday, 2 November
Clear. High 42°, low 34°.
Pressure30.21 inHg
Wind6.6 mph W
Humidity57%
Visibility6.2 mi
Dew point30°
Tue, 0350° / 31°0
Morning35°feels 35°
Afternoon50°feels 47°
Evening40°feels 40°
Overnight32°feels 32°
50 °
Summit Valley, Tuesday, 3 November
Overcast. High 50°, low 31°.
Pressure30.15 inHg
Wind2.5 mph NW
Humidity54%
Visibility6.2 mi
Dew point26°
Wed, 0450° / 35°0
Morning36°feels 36°
Afternoon50°feels 50°
Evening36°feels 36°
Overnight38°feels 38°
50 °
Summit Valley, Wednesday, 4 November
Overcast. High 50°, low 35°.
Pressure30.03 inHg
Wind1.2 mph E
Humidity51%
Visibility6.2 mi
Dew point26°
Thu, 0549° / 29°0
Morning36°feels 36°
Afternoon45°feels 43°
Evening38°feels 35°
Overnight36°feels 36°
49 °
Summit Valley, Thursday, 5 November
Light rain. High 49°, low 29°.
Pressure30.06 inHg
Wind5 mph NW
Humidity53%
Visibility6.2 mi
Dew point28°
Fri, 0650° / 30°0
Morning34°feels 33°
Afternoon45°feels 42°
Evening45°feels 40°
Overnight42°feels 36°
50 °
Summit Valley, Friday, 6 November
Overcast. High 50°, low 30°.
Pressure30.09 inHg
Wind20 mph W
Humidity54%
Visibility—
Dew point28°
Sat, 0756° / 37°0
Morning41°feels 35°
Afternoon50°feels 47°
Evening48°feels 46°
Overnight43°feels 40°
56 °
Summit Valley, Saturday, 7 November
Overcast. High 56°, low 37°.
Pressure30.15 inHg
Wind20.5 mph W
Humidity34%
Visibility—
Dew point21°
Sun, 0863° / 46°0
Morning49°feels 47°
Afternoon57°feels 55°
Evening52°feels 49°
Overnight46°feels 46°
63 °
Summit Valley, Sunday, 8 November
Partly cloudy. High 63°, low 46°.
Pressure29.94 inHg
Wind4.3 mph SW
Humidity35%
Visibility—
Dew point29°
Mon, 0961° / 42°0
Morning45°feels 45°
Afternoon54°feels 51°
Evening51°feels 48°
Overnight47°feels 45°
61 °
Summit Valley, Monday, 9 November
Overcast. High 61°, low 42°.
Pressure29.94 inHg
Wind5 mph SW
Humidity36%
Visibility—
Dew point27°
Tue, 1061° / 45°0
Morning49°feels 46°
Afternoon56°feels 53°
Evening51°feels 48°
Overnight47°feels 44°
61 °
Summit Valley, Tuesday, 10 November
Partly cloudy. High 61°, low 45°.
Pressure30.09 inHg
Wind8.5 mph SW
Humidity28%
Visibility—
Dew point23°
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 Valley, 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.