Rensselaer County weather, town by town
25 places in Rensselaer County, New York, 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 1925 to 2026. Station extremes, not official state records.
Rensselaer County Weather Facts
Rensselaer County has 25 places on myweatherrock (14 towns, 5 census-designated places, 4 villages, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 102°F at Alcove Dam on August 6, 1955. The coldest night is -29°F at Alcove Dam on January 21, 1994. The wettest day brought 7.23 inches of rain at Pittsfield Muni Ap on October 8, 2005. The biggest single-day snow measured 24.02 inches at Troy LandD on March 14, 1993. Those are station measurements from NOAA's daily records, 1925 to 2026, not official state records. By area the largest place is Hoosick, about 63 square miles.
About Rensselaer County weather
The map on the Now tab shows every Rensselaer 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 25 Rensselaer County towns with station normals, the warmest month is July, when the day usually reaches 82°F, and the coldest is January, when the night usually falls to 15°F. May is the wettest, with rain on about 13 days. July afternoons run from about 80°F in Castleton-on-Hudson to 83°F in Averill Park. January nights run from about 12°F in Castleton-on-Hudson to 16°F in Averill Park.
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.
Rensselaer County weather records
Measured at the NOAA stations serving these towns, daily records 1925 to 2026. Station extremes, not official state records.
Common questions about Rensselaer County weather
- What is the hottest temperature recorded at a Rensselaer County station?
- 102°F at Alcove Dam on August 6, 1955, in the NOAA daily station records myweatherrock holds (1925 to 2026).
- What is the coldest temperature recorded at a Rensselaer County station?
- -29°F at Alcove Dam on January 21, 1994.
- What is the most rain a Rensselaer County station has measured in one day?
- 7.23 inches at Pittsfield Muni Ap on October 8, 2005.
- What is the biggest one-day snowfall at a Rensselaer County station?
- 24.02 inches at Troy LandD on March 14, 1993.
- How many Rensselaer County towns have a weather page here?
- 25: 14 towns, 5 census-designated places, 4 villages, 2 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 Rensselaer 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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