Monthly Historical AveragesHartly, DE
Average Temperature
High
6°
Feels 4
Low
-3°
Feels -7
Average Precipitation
8 Days
28.7mm
16.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, February 21, 2026
Day
10°Feels 8
Wind
13 km/h NW
Gust
19 km/h
Humidity
51%
P.O.P
30%
Night
1°Feels -1
Wind
9 km/h E
Gust
14 km/h
Humidity
94%
P.O.P
40%
Snow
<1 cm
Rain
<1 mm
Historical AveragesFeb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity