Currently: 54 °F. Passing clouds. (Weather station: Wings Field Airport, USA). See more current weatherAnnual Weather Averages Near Norristown
Averages are for Wings Field Airport, which is 4 miles from Norristown.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Norristown
High Temp: 86 °F
Low Temp: 25 °F
Mean Temp: 54 °F
Precipitation: 3.69"
Humidity: 68%
Dew Point: 43 °F
Wind: 10 mph
Pressure: 30.05 "Hg
Visibility: 8 mi
January Climate & Weather Averages in Norristown
High Temp: 40 °F
Low Temp: 25 °F
Mean Temp: 33 °F
Precipitation: 2.90"
Humidity: 66%
Dew Point: 22 °F
Wind: 11 mph
Pressure: 30.09 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Norristown
High Temp: 43 °F
Low Temp: 26 °F
Mean Temp: 35 °F
Precipitation: 2.68"
Humidity: 63%
Dew Point: 22 °F
Wind: 12 mph
Pressure: 30.08 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Norristown
High Temp: 51 °F
Low Temp: 33 °F
Mean Temp: 42 °F
Precipitation: 3.56"
Humidity: 61%
Dew Point: 28 °F
Wind: 13 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Norristown
High Temp: 64 °F
Low Temp: 42 °F
Mean Temp: 53 °F
Precipitation: 3.09"
Humidity: 60%
Dew Point: 38 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 8 mi
May Climate & Weather Averages in Norristown
High Temp: 73 °F
Low Temp: 52 °F
Mean Temp: 62 °F
Precipitation: 3.89"
Humidity: 66%
Dew Point: 50 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Norristown
High Temp: 82 °F
Low Temp: 61 °F
Mean Temp: 71 °F
Precipitation: 4.64"
Humidity: 68%
Dew Point: 60 °F
Wind: 9 mph
Pressure: 29.98 "Hg
Visibility: 8 mi
July Climate & Weather Averages in Norristown
High Temp: 86 °F
Low Temp: 66 °F
Mean Temp: 76 °F
Precipitation: 5.09"
Humidity: 70%
Dew Point: 65 °F
Wind: 8 mph
Pressure: 29.99 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Norristown
High Temp: 84 °F
Low Temp: 65 °F
Mean Temp: 74 °F
Precipitation: 4.79"
Humidity: 73%
Dew Point: 64 °F
Wind: 7 mph
Pressure: 30.03 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Norristown
High Temp: 77 °F
Low Temp: 57 °F
Mean Temp: 67 °F
Precipitation: 3.62"
Humidity: 74%
Dew Point: 58 °F
Wind: 8 mph
Pressure: 30.08 "Hg
Visibility: 8 mi
October Climate & Weather Averages in Norristown
High Temp: 65 °F
Low Temp: 45 °F
Mean Temp: 55 °F
Precipitation: 3.39"
Humidity: 73%
Dew Point: 46 °F
Wind: 9 mph
Pressure: 30.08 "Hg
Visibility: 8 mi
November Climate & Weather Averages in Norristown
High Temp: 54 °F
Low Temp: 36 °F
Mean Temp: 45 °F
Precipitation: 2.99"
Humidity: 68%
Dew Point: 35 °F
Wind: 10 mph
Pressure: 30.12 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Norristown
High Temp: 45 °F
Low Temp: 30 °F
Mean Temp: 37 °F
Precipitation: 3.63"
Humidity: 70%
Dew Point: 28 °F
Wind: 11 mph
Pressure: 30.10 "Hg
Visibility: 8 mi