Monthly Historical AveragesMertztown, PA
Average Temperature
High
16°
Feels 15
Low
5°
Feels 3
Average Precipitation
9 Days
55.8mm
1.4cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, April 13, 2026
Day
24°Feels 24
Wind
30 km/h SW
Gust
45 km/h
Humidity
50%
P.O.P
40%
Rain
<1 mm
Night
14°Feels 13
Wind
21 km/h W
Gust
32 km/h
Humidity
94%
P.O.P
30%
Historical AveragesApr 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity