10-day forecast for Summit Valley, MT: 31° to 53°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
53°
Best day: Friday, November 6
45° · 0.65 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2950° / 31°0
Morning32°feels 32°
Afternoon50°feels 48°
Evening41°feels 41°
Overnight32°feels 32°
50 °
Summit Valley, Thursday, 29 October
Partly cloudy. High 50°, low 31°.
Pressure30.06 inHg
Wind2.6 mph N
Humidity59%
Visibility6.2 mi
Dew point24°
Fri, 3049° / 31°0.04
Morning33°feels 30°
Afternoon48°feels 47°
Evening41°feels 41°
Overnight34°feels 31°
49 °
Summit Valley, Friday, 30 October
Snow. High 49°, low 31°.
Pressure30.03 inHg
Wind2.7 mph NE
Humidity69%
Visibility6.2 mi
Dew point33°
Sat, 3151° / 37°0
Morning38°feels 38°
Afternoon51°feels 49°
Evening43°feels 43°
Overnight39°feels 39°
51 °
Summit Valley, Saturday, 31 October
Overcast. High 51°, low 37°.
Pressure30.00 inHg
Wind1.6 mph N
Humidity65%
Visibility6.2 mi
Dew point38°
Sun, 0145° / 34°0.65
Morning39°feels 39°
Afternoon44°feels 43°
Evening38°feels 32°
Overnight41°feels 41°
45 °
Summit Valley, Sunday, 1 November
Snow. High 45°, low 34°.
Pressure29.74 inHg
Wind10.5 mph W
Humidity91%
Visibility—
Dew point41°
Mon, 0247° / 32°0.11
Morning37°feels 31°
Afternoon42°feels 38°
Evening40°feels 40°
Overnight32°feels 31°
47 °
Summit Valley, Monday, 2 November
Snow. High 47°, low 32°.
Pressure30.36 inHg
Wind8 mph SW
Humidity64%
Visibility—
Dew point30°
Tue, 0351° / 31°0
Morning36°feels 36°
Afternoon46°feels 46°
Evening43°feels 43°
Overnight38°feels 38°
51 °
Summit Valley, Tuesday, 3 November
Overcast. High 51°, low 31°.
Pressure30.24 inHg
Wind2.9 mph SW
Humidity26%
Visibility—
Dew point12°
Wed, 0450° / 37°0
Morning40°feels 40°
Afternoon45°feels 45°
Evening42°feels 42°
Overnight38°feels 37°
50 °
Summit Valley, Wednesday, 4 November
Overcast. High 50°, low 37°.
Pressure30.06 inHg
Wind4.1 mph NE
Humidity37%
Visibility—
Dew point19°
Thu, 0550° / 37°0
Morning39°feels 39°
Afternoon46°feels 46°
Evening43°feels 43°
Overnight39°feels 39°
50 °
Summit Valley, Thursday, 5 November
Overcast. High 50°, low 37°.
Pressure29.85 inHg
Wind3.5 mph N
Humidity33%
Visibility—
Dew point18°
Fri, 0653° / 37°0
Morning40°feels 40°
Afternoon47°feels 47°
Evening43°feels 43°
Overnight39°feels 39°
53 °
Summit Valley, Friday, 6 November
Overcast. High 53°, low 37°.
Pressure29.97 inHg
Wind4 mph S
Humidity43%
Visibility—
Dew point25°
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.