Northampton County weather, town by town
31 places in Northampton County, Pennsylvania, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1934 to 2026. Station extremes, not official state records.
Northampton County Weather Facts
Northampton County has 31 places on myweatherrock (19 boroughs, 11 census-designated places, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 105°F at Allentown Lehigh Vly Intl Ap on July 3, 1966. The coldest night is -18°F at Belvidere Brg on January 31, 2026. The wettest day brought 8.71 inches of rain at Allentown Lehigh Vly Intl Ap on October 8, 2005. The biggest single-day snow measured 30.2 inches at Allentown Lehigh Vly Intl Ap on January 23, 2016. Those are station measurements from NOAA's daily records, 1934 to 2026, not official state records. By area the largest place is Easton, about 4 square miles.
About Northampton County weather
The map on the Now tab shows every Northampton County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 31 Northampton County towns with station normals, the warmest month is July, when the day usually reaches 85°F, and the coldest is January, when the night usually falls to 20°F. May is the wettest, with rain on about 12 days. July afternoons run from about 83°F in Walnutport to 86°F in Bath.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Northampton County weather records
Measured at the NOAA stations serving these towns, daily records 1934 to 2026. Station extremes, not official state records.
Common questions about Northampton County weather
- What is the hottest temperature recorded at a Northampton County station?
- 105°F at Allentown Lehigh Vly Intl Ap on July 3, 1966, in the NOAA daily station records myweatherrock holds (1934 to 2026).
- What is the coldest temperature recorded at a Northampton County station?
- -18°F at Belvidere Brg on January 31, 2026.
- What is the most rain a Northampton County station has measured in one day?
- 8.71 inches at Allentown Lehigh Vly Intl Ap on October 8, 2005.
- What is the biggest one-day snowfall at a Northampton County station?
- 30.2 inches at Allentown Lehigh Vly Intl Ap on January 23, 2016.
- How many Northampton County towns have a weather page here?
- 31: 19 boroughs, 11 census-designated places, 1 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Northampton County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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