10-day forecast for Keystone, PA: 32° to 63°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Tuesday, November 10
47° · 0.92 in
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0958° / 45°0
Morning53°feels 51°
Afternoon53°feels 50°
Evening47°feels 43°
Overnight51°feels 48°
58 °
Keystone, Monday, 9 November
Overcast. High 58°, low 45°.
Pressure29.91 inHg
Wind17.4 mph NW
Humidity47%
Visibility6.2 mi
Dew point35°
Tue, 1063° / 39°0
Morning43°feels 40°
Afternoon63°feels 61°
Evening51°feels 50°
Overnight41°feels 38°
63 °
Keystone, Tuesday, 10 November
Overcast. High 63°, low 39°.
Pressure29.94 inHg
Wind6.3 mph SW
Humidity51%
Visibility6.2 mi
Dew point39°
Wed, 1157° / 41°0
Morning45°feels 43°
Afternoon57°feels 55°
Evening46°feels 46°
Overnight45°feels 41°
57 °
Keystone, Wednesday, 11 November
Overcast. High 57°, low 41°.
Pressure29.94 inHg
Wind6 mph W
Humidity53%
Visibility6.2 mi
Dew point39°
Thu, 1252° / 44°0.94
Morning46°feels 43°
Afternoon49°feels 46°
Evening50°feels 48°
Overnight47°feels 43°
52 °
Keystone, Thursday, 12 November
Rain. High 52°, low 44°.
Pressure29.68 inHg
Wind12.2 mph E
Humidity95%
Visibility—
Dew point47°
Fri, 1347° / 34°0.92
Morning43°feels 37°
Afternoon38°feels 31°
Evening37°feels 30°
Overnight37°feels 29°
47 °
Keystone, Friday, 13 November
Snow. High 47°, low 34°.
Pressure29.53 inHg
Wind13 mph N
Humidity97%
Visibility—
Dew point38°
Sat, 1436° / 33°0.17
Morning34°feels 27°
Afternoon36°feels 29°
Evening36°feels 27°
Overnight35°feels 27°
36 °
Keystone, Saturday, 14 November
Snow. High 36°, low 33°.
Pressure29.53 inHg
Wind13 mph W
Humidity97%
Visibility—
Dew point35°
Sun, 1544° / 37°0.03
Morning38°feels 30°
Afternoon42°feels 34°
Evening43°feels 36°
Overnight39°feels 32°
44 °
Keystone, Sunday, 15 November
Light rain. High 44°, low 37°.
Pressure29.74 inHg
Wind15.8 mph NW
Humidity87%
Visibility—
Dew point37°
Mon, 1648° / 38°0
Morning40°feels 33°
Afternoon45°feels 39°
Evening45°feels 40°
Overnight38°feels 33°
48 °
Keystone, Monday, 16 November
Overcast. High 48°, low 38°.
Pressure30.03 inHg
Wind14.2 mph W
Humidity71%
Visibility—
Dew point35°
Tue, 1746° / 32°0
Morning37°feels 31°
Afternoon41°feels 36°
Evening42°feels 38°
Overnight34°feels 29°
46 °
Keystone, Tuesday, 17 November
Clear. High 46°, low 32°.
Pressure30.33 inHg
Wind10 mph NW
Humidity58%
Visibility—
Dew point26°
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 Keystone, PA 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.