10-day forecast for Keystone, PA: 33° to 65°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, November 10
51° · 0.29 in
Worst day: Thursday, November 12
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1163° / 41°0.02
Morning46°feels 44°
Afternoon63°feels 60°
Evening52°feels 50°
Overnight46°feels 42°
63 °
Keystone, Wednesday, 11 November
Light rain. High 63°, low 41°.
Pressure29.91 inHg
Wind6.4 mph S
Humidity32%
Visibility6.2 mi
Dew point29°
Thu, 1251° / 40°0.29
Morning46°feels 44°
Afternoon51°feels 50°
Evening45°feels 39°
Overnight46°feels 42°
51 °
Keystone, Thursday, 12 November
Rain. High 51°, low 40°.
Pressure29.50 inHg
Wind4.3 mph E
Humidity89%
Visibility6.2 mi
Dew point47°
Fri, 1343° / 37°0.14
Morning37°feels 30°
Afternoon43°feels 37°
Evening40°feels 35°
Overnight38°feels 30°
43 °
Keystone, Friday, 13 November
Light rain. High 43°, low 37°.
Pressure29.68 inHg
Wind12.9 mph NW
Humidity58%
Visibility6.2 mi
Dew point28°
Sat, 1444° / 36°0.01
Morning37°feels 29°
Afternoon41°feels 33°
Evening42°feels 34°
Overnight36°feels 29°
44 °
Keystone, Saturday, 14 November
Light rain. High 44°, low 36°.
Pressure29.91 inHg
Wind15.1 mph NW
Humidity66%
Visibility—
Dew point29°
Sun, 1543° / 33°0
Morning36°feels 29°
Afternoon42°feels 35°
Evening42°feels 37°
Overnight38°feels 33°
43 °
Keystone, Sunday, 15 November
Overcast. High 43°, low 33°.
Pressure30.30 inHg
Wind12.9 mph NW
Humidity61%
Visibility—
Dew point28°
Mon, 1649° / 37°0
Morning40°feels 38°
Afternoon46°feels 44°
Evening46°feels 45°
Overnight38°feels 38°
49 °
Keystone, Monday, 16 November
Overcast. High 49°, low 37°.
Pressure30.47 inHg
Wind5.1 mph N
Humidity51%
Visibility—
Dew point28°
Tue, 1750° / 34°0
Morning38°feels 38°
Afternoon45°feels 45°
Evening46°feels 46°
Overnight38°feels 38°
50 °
Keystone, Tuesday, 17 November
Clear. High 50°, low 34°.
Pressure30.47 inHg
Wind2.8 mph W
Humidity58%
Visibility—
Dew point29°
Wed, 1850° / 33°0
Morning37°feels 37°
Afternoon45°feels 43°
Evening47°feels 47°
Overnight38°feels 38°
50 °
Keystone, Wednesday, 18 November
Clear. High 50°, low 33°.
Pressure30.47 inHg
Wind4.1 mph N
Humidity60%
Visibility—
Dew point30°
Thu, 1952° / 34°0
Morning38°feels 38°
Afternoon46°feels 46°
Evening48°feels 48°
Overnight39°feels 39°
52 °
Keystone, Thursday, 19 November
Partly cloudy. High 52°, low 34°.
Pressure30.53 inHg
Wind3 mph SE
Humidity54%
Visibility—
Dew point28°
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.