10-day forecast for Keystone, PA: 28° to 61°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
61°
Best day: Thursday, November 19
45°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1548° / 41°0
Morning42°feels 38°
Afternoon47°feels 43°
Evening43°feels 38°
Overnight43°feels 37°
48 °
Keystone, Sunday, 15 November
Overcast. High 48°, low 41°.
Pressure30.21 inHg
Wind10.7 mph NW
Humidity55%
Visibility6.2 mi
Dew point27°
Mon, 1650° / 39°0
Morning43°feels 38°
Afternoon50°feels 47°
Evening41°feels 36°
Overnight42°feels 39°
50 °
Keystone, Monday, 16 November
Overcast. High 50°, low 39°.
Pressure30.47 inHg
Wind9.3 mph NW
Humidity55%
Visibility6.2 mi
Dew point31°
Tue, 1755° / 34°0
Morning37°feels 33°
Afternoon55°feels 52°
Evening44°feels 40°
Overnight36°feels 32°
55 °
Keystone, Tuesday, 17 November
Clear. High 55°, low 34°.
Pressure30.53 inHg
Wind5.5 mph NW
Humidity50%
Visibility6.2 mi
Dew point34°
Wed, 1858° / 36°0
Morning40°feels 37°
Afternoon57°feels 55°
Evening44°feels 42°
Overnight39°feels 35°
58 °
Keystone, Wednesday, 18 November
Clear. High 58°, low 36°.
Pressure30.47 inHg
Wind4.8 mph NW
Humidity42%
Visibility6.2 mi
Dew point32°
Thu, 1961° / 31°0
Morning38°feels 37°
Afternoon52°feels 49°
Evening56°feels 54°
Overnight41°feels 39°
61 °
Keystone, Thursday, 19 November
Overcast. High 61°, low 31°.
Pressure30.42 inHg
Wind5.1 mph SW
Humidity50%
Visibility—
Dew point30°
Fri, 2060° / 42°0
Morning47°feels 44°
Afternoon55°feels 53°
Evening55°feels 53°
Overnight45°feels 43°
60 °
Keystone, Friday, 20 November
Overcast. High 60°, low 42°.
Pressure30.30 inHg
Wind8.3 mph NW
Humidity53%
Visibility—
Dew point37°
Sat, 2157° / 40°0
Morning44°feels 44°
Afternoon51°feels 49°
Evening53°feels 51°
Overnight44°feels 42°
57 °
Keystone, Saturday, 21 November
Clear. High 57°, low 40°.
Pressure30.36 inHg
Wind3.9 mph SE
Humidity69%
Visibility—
Dew point39°
Sun, 2257° / 40°0
Morning43°feels 40°
Afternoon49°feels 45°
Evening55°feels 53°
Overnight49°feels 47°
57 °
Keystone, Sunday, 22 November
Overcast. High 57°, low 40°.
Pressure30.15 inHg
Wind9.7 mph S
Humidity87%
Visibility—
Dew point43°
Mon, 2348° / 28°0
Morning45°feels 38°
Afternoon42°feels 35°
Evening38°feels 29°
Overnight31°feels 21°
48 °
Keystone, Monday, 23 November
Overcast. High 48°, low 28°.
Pressure29.80 inHg
Wind16.6 mph NW
Humidity67%
Visibility—
Dew point33°
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.