Monthly Historical AveragesNew Castle, DE
Average Temperature
High
8°
Feels 6
Low
0°
Feels -3
Average Precipitation
11 Days
83.1mm
10.6cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
1°Feels -5
Wind
32 km/h W
Gust
48 km/h
Humidity
44%
P.O.P
20%
Night
-3°Feels -9
Wind
27 km/h W
Gust
41 km/h
Humidity
74%
P.O.P
30%
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity