10-day forecast for Keystone, PA: 37° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Wednesday, November 4
74° · 0.28 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0574° / 56°0.28
Morning62°feels 63°
Afternoon74°feels 74°
Evening62°feels 63°
Overnight56°feels 55°
74 °
Keystone, Thursday, 5 November
Rain. High 74°, low 56°.
Pressure29.85 inHg
Wind11.6 mph SW
Humidity71%
Visibility6.2 mi
Dew point62°
Fri, 0667° / 51°0
Morning54°feels 53°
Afternoon67°feels 66°
Evening55°feels 54°
Overnight56°feels 56°
67 °
Keystone, Friday, 6 November
Partly cloudy. High 67°, low 51°.
Pressure29.88 inHg
Wind3.2 mph W
Humidity50%
Visibility6.2 mi
Dew point48°
Sat, 0753° / 44°0
Morning48°feels 43°
Afternoon52°feels 49°
Evening45°feels 40°
Overnight50°feels 49°
53 °
Keystone, Saturday, 7 November
Clear. High 53°, low 44°.
Pressure29.94 inHg
Wind13 mph NW
Humidity49%
Visibility6.2 mi
Dew point34°
Sun, 0853° / 41°0
Morning46°feels 40°
Afternoon50°feels 45°
Evening49°feels 46°
Overnight42°feels 37°
53 °
Keystone, Sunday, 8 November
Overcast. High 53°, low 41°.
Pressure29.97 inHg
Wind14.1 mph NW
Humidity58%
Visibility—
Dew point35°
Mon, 0954° / 43°0
Morning45°feels 40°
Afternoon51°feels 48°
Evening52°feels 49°
Overnight44°feels 40°
54 °
Keystone, Monday, 9 November
Overcast. High 54°, low 43°.
Pressure29.91 inHg
Wind16.6 mph NW
Humidity56%
Visibility—
Dew point34°
Tue, 1063° / 39°0
Morning44°feels 41°
Afternoon55°feels 52°
Evening57°feels 54°
Overnight45°feels 42°
63 °
Keystone, Tuesday, 10 November
Clear. High 63°, low 39°.
Pressure30.06 inHg
Wind12.8 mph W
Humidity42%
Visibility—
Dew point30°
Wed, 1157° / 40°0
Morning45°feels 42°
Afternoon52°feels 50°
Evening52°feels 49°
Overnight42°feels 40°
57 °
Keystone, Wednesday, 11 November
Clear. High 57°, low 40°.
Pressure30.06 inHg
Wind9.8 mph NW
Humidity60%
Visibility—
Dew point37°
Thu, 1248° / 37°0
Morning40°feels 38°
Afternoon45°feels 45°
Evening47°feels 47°
Overnight43°feels 42°
48 °
Keystone, Thursday, 12 November
Overcast. High 48°, low 37°.
Pressure30.18 inHg
Wind3.4 mph N
Humidity56%
Visibility—
Dew point29°
Fri, 1352° / 37°0
Morning40°feels 40°
Afternoon47°feels 45°
Evening50°feels 47°
Overnight43°feels 40°
52 °
Keystone, Friday, 13 November
Overcast. High 52°, low 37°.
Pressure29.97 inHg
Wind6.6 mph W
Humidity48%
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.