Hunterdon County weather, town by town
18 places in Hunterdon County, New Jersey, 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 1898 to 2026. Station extremes, not official state records.
Hunterdon County Weather Facts
Hunterdon County has 18 places on myweatherrock (10 boroughs, 6 census-designated places, 1 towns, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 108°F at Flemington 5 Nnw on August 7, 1918. The coldest night is -18°F at Flemington 5 Nnw on January 14, 1912. The wettest day brought 9.07 inches of rain at Wertsville 4 Ne on September 17, 1999. The biggest single-day snow measured 24.02 inches at Flemington 5 Nnw on February 4, 1961. Those are station measurements from NOAA's daily records, 1898 to 2026, not official state records. By area the largest place is White House Station, about 3 square miles.
About Hunterdon County weather
The map on the Now tab shows every Hunterdon 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 18 Hunterdon 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 21°F. May is the wettest, with rain on about 13 days. July afternoons run from about 81°F in Califon to 87°F in Oldwick. January nights run from about 20°F in Califon to 23°F in Lambertville.
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.
Hunterdon County weather records
Measured at the NOAA stations serving these towns, daily records 1898 to 2026. Station extremes, not official state records.
Common questions about Hunterdon County weather
- What is the hottest temperature recorded at a Hunterdon County station?
- 108°F at Flemington 5 Nnw on August 7, 1918, in the NOAA daily station records myweatherrock holds (1898 to 2026).
- What is the coldest temperature recorded at a Hunterdon County station?
- -18°F at Flemington 5 Nnw on January 14, 1912.
- What is the most rain a Hunterdon County station has measured in one day?
- 9.07 inches at Wertsville 4 Ne on September 17, 1999.
- What is the biggest one-day snowfall at a Hunterdon County station?
- 24.02 inches at Flemington 5 Nnw on February 4, 1961.
- How many Hunterdon County towns have a weather page here?
- 18: 10 boroughs, 6 census-designated places, 1 towns, 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 Hunterdon 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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