10-day forecast for New Castle, DE: 38° to 61°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
60°
Best day: Tuesday, November 10
51° · 0.77 in
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0857° / 48°0
Morning51°feels 49°
Afternoon57°feels 55°
Evening51°feels 49°
Overnight50°feels 46°
57 °
New Castle, Sunday, 8 November
Mostly clear. High 57°, low 48°.
Pressure29.94 inHg
Wind10 mph W
Humidity54%
Visibility6.2 mi
Dew point40°
Mon, 0957° / 46°0
Morning50°feels 45°
Afternoon57°feels 55°
Evening49°feels 47°
Overnight49°feels 46°
57 °
New Castle, Monday, 9 November
Overcast. High 57°, low 46°.
Pressure29.88 inHg
Wind15.9 mph NW
Humidity51%
Visibility6.2 mi
Dew point39°
Tue, 1060° / 43°0
Morning45°feels 42°
Afternoon60°feels 59°
Evening54°feels 52°
Overnight46°feels 42°
60 °
New Castle, Tuesday, 10 November
Partly cloudy. High 60°, low 43°.
Pressure29.97 inHg
Wind10.8 mph SW
Humidity53%
Visibility6.2 mi
Dew point41°
Wed, 1159° / 44°0
Morning47°feels 45°
Afternoon58°feels 57°
Evening50°feels 48°
Overnight50°feels 47°
59 °
New Castle, Wednesday, 11 November
Partly cloudy. High 59°, low 44°.
Pressure29.97 inHg
Wind6 mph W
Humidity58%
Visibility6.2 mi
Dew point42°
Thu, 1261° / 47°0.28
Morning50°feels 48°
Afternoon57°feels 55°
Evening56°feels 55°
Overnight50°feels 49°
61 °
New Castle, Thursday, 12 November
Rain. High 61°, low 47°.
Pressure29.71 inHg
Wind11.4 mph SE
Humidity71%
Visibility—
Dew point46°
Fri, 1351° / 39°0.77
Morning48°feels 46°
Afternoon42°feels 34°
Evening40°feels 33°
Overnight41°feels 35°
51 °
New Castle, Friday, 13 November
Rain. High 51°, low 39°.
Pressure29.41 inHg
Wind14 mph NE
Humidity94%
Visibility—
Dew point42°
Sat, 1439° / 38°0.08
Morning39°feels 32°
Afternoon38°feels 32°
Evening39°feels 32°
Overnight39°feels 32°
39 °
New Castle, Saturday, 14 November
Light rain. High 39°, low 38°.
Pressure29.50 inHg
Wind11.6 mph W
Humidity87%
Visibility—
Dew point35°
Sun, 1547° / 39°0.04
Morning40°feels 33°
Afternoon43°feels 37°
Evening47°feels 41°
Overnight42°feels 35°
47 °
New Castle, Sunday, 15 November
Light rain. High 47°, low 39°.
Pressure29.71 inHg
Wind14.8 mph W
Humidity77%
Visibility—
Dew point35°
Mon, 1653° / 42°0
Morning44°feels 38°
Afternoon49°feels 44°
Evening50°feels 47°
Overnight43°feels 39°
53 °
New Castle, Monday, 16 November
Clear. High 53°, low 42°.
Pressure30.00 inHg
Wind14.4 mph NW
Humidity61%
Visibility—
Dew point35°
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 New Castle, 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.