10-day forecast for Keystone, DE: 36° to 71°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Friday, October 30
55°
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2564° / 36°0
Morning40°feels 37°
Afternoon64°feels 62°
Evening48°feels 47°
Overnight40°feels 37°
64 °
Keystone, Sunday, 25 October
Clear. High 64°, low 36°.
Pressure30.59 inHg
Wind1.7 mph NW
Humidity38%
Visibility6.2 mi
Dew point35°
Mon, 2667° / 38°0
Morning45°feels 42°
Afternoon66°feels 65°
Evening57°feels 55°
Overnight42°feels 39°
67 °
Keystone, Monday, 26 October
Clear. High 67°, low 38°.
Pressure30.33 inHg
Wind7 mph W
Humidity53%
Visibility6.2 mi
Dew point46°
Tue, 2763° / 50°0
Morning51°feels 49°
Afternoon63°feels 61°
Evening54°feels 52°
Overnight54°feels 53°
63 °
Keystone, Tuesday, 27 October
Clear. High 63°, low 50°.
Pressure30.36 inHg
Wind6 mph NE
Humidity47%
Visibility6.2 mi
Dew point40°
Wed, 2861° / 43°0
Morning43°feels 40°
Afternoon56°feels 54°
Evening59°feels 57°
Overnight46°feels 44°
61 °
Keystone, Wednesday, 28 October
Clear. High 61°, low 43°.
Pressure30.47 inHg
Wind5 mph E
Humidity52%
Visibility6.2 mi
Dew point39°
Thu, 2966° / 47°0
Morning51°feels 51°
Afternoon61°feels 60°
Evening63°feels 62°
Overnight53°feels 53°
66 °
Keystone, Thursday, 29 October
Mostly clear. High 66°, low 47°.
Pressure30.36 inHg
Wind7.7 mph SW
Humidity66%
Visibility—
Dew point47°
Fri, 3071° / 52°0
Morning55°feels 54°
Afternoon65°feels 64°
Evening67°feels 66°
Overnight55°feels 53°
71 °
Keystone, Friday, 30 October
Clear. High 71°, low 52°.
Pressure30.15 inHg
Wind11.5 mph N
Humidity59%
Visibility—
Dew point48°
Sat, 3160° / 50°0
Morning51°feels 47°
Afternoon55°feels 53°
Evening58°feels 57°
Overnight50°feels 48°
60 °
Keystone, Saturday, 31 October
Overcast. High 60°, low 50°.
Pressure30.39 inHg
Wind10.2 mph N
Humidity64%
Visibility—
Dew point42°
Sun, 0158° / 45°0
Morning48°feels 45°
Afternoon53°feels 51°
Evening55°feels 53°
Overnight48°feels 46°
58 °
Keystone, Sunday, 1 November
Overcast. High 58°, low 45°.
Pressure30.47 inHg
Wind8.1 mph NE
Humidity54%
Visibility—
Dew point36°
Mon, 0255° / 48°0
Morning53°feels 51°
Afternoon54°feels 52°
Evening55°feels 53°
Overnight53°feels 51°
55 °
Keystone, Monday, 2 November
Overcast. High 55°, low 48°.
Pressure30.18 inHg
Wind7.9 mph NE
Humidity59%
Visibility—
Dew point40°
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, DE 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.