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Montgomery County, PA

An ordinary day in Montgomery County, PA: was cooler than 60 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
67°F
Coldest since 2023
16th coldest of 76
Low
57.9°F
Warmest since 2025
16th warmest of 76
Precipitation
0.03 in
Wettest since 2024
27th wettest of 76
Every 29 September high of the county average in Montgomery County, PA since 1951: 67°F in 2026; the highest is 84.4°F, in 2019.
2023: 62.4°F2019: 84.4°F2026: 67°F 2026 67°F 2019 84.4°F since 2023 1951 2026
  • Normal range, 65.8 to 80°F
Every year as a table

Every 29 September low of the county average in Montgomery County, PA since 1951: 57.9°F in 2026; the lowest is 35.1°F, in 1957.

YearHigh, °FLow, °F
20266757.9
202584.161.3
202469.561.8
202362.453.2
202268.447.4
202174.152.1
202081.865
201984.458.6
201871.953.5
201776.848
201671.751.2
201579.862
201483.955.8
201373.747.9
201273.955.9
20117766.4
201077.755.9
200973.849
200872.658.2
200779.354
200674.453.1
200575.349
200472.661.1
20036951
200273.948
200161.945
200065.938.4
199977.262.5
199877.545.4
199771.652.4
199675.352.7
19957444.6
199472.448.4
19936543.1
199267.150.5
19916538.5
199076.150.6
198967.339.3
198874.846.9
198781.353
198670.257.8
198570.544.9
198451.543
198373.144.8
19827452.9
198165.239.5
198073.644.8
197973.558
197868.736.4
197771.546.2
197667.640.7
197571.943.7
19747360.9
197377.262.5
197269.257.5
197170.757.8
19706441.2
196969.544.2
196873.943.4
19677463.8
196657.352.9
196567.141.4
196455.449.7
196375.355.5
196264.245.6
196171.541.6
196070.758.8
195983.668.3
195865.439.3
19576335.1
195659.651.6
19557448.4
19548255.8
195380.849.4
195276.645.8
195164.337.1

The month

September 2026 so far averaged 68.3°F in Montgomery County, PA, the warmest 1 to 29 September in the county average since 2025, tied 17th warmest of 76 (with 2002) (county average from NOAA gridded data, 1951 to 2026).

The month in words
  • August 2026 averaged 75.1°F in Montgomery County, PA, the warmest August in the county average since 2022, tied 16th warmest of 132 (with 2010 and 2006) (county average from NOAA's monthly county data, 1895 to 2026).
  • Tuesday 29 September 2026: a high of 67°F averaged over Montgomery County, PA, the coldest 29 September day in the county average since 2023, 16th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 57.9°F averaged over Montgomery County, PA, the warmest 29 September night in the county average since 2025, 16th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: 0.03 in of precipitation averaged over Montgomery County, PA, the wettest 29 September in the county average since 2024, 27th wettest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Philadelphia Center City, PA 20.3 mi, the nearest city with its own station