Onondaga County weather, town by town
39 places in Onondaga 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 1897 to 2026. Station extremes, not official state records.
Onondaga County Weather Facts
Onondaga County has 39 places on myweatherrock (19 towns, 11 census-designated places, 8 villages, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 101°F at Syracuse Hancock Intl Ap on August 14, 2002. The coldest night is -37°F at Morrisville 6 Sw on December 30, 1917. The wettest day brought 6.82 inches of rain at Brewerton Lock 23 on July 8, 1935. The biggest single-day snow measured 34.02 inches at Syracuse Hancock Intl Ap on February 15, 1946. Those are station measurements from NOAA's daily records, 1897 to 2026, not official state records. By area the largest place is Pompey, about 66 square miles.
About Onondaga County weather
The map on the Now tab shows every Onondaga 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 39 Onondaga County towns with station normals, the warmest month is July, when the day usually reaches 81°F, and the coldest is January, when the night usually falls to 16°F. January is the wettest, with rain on about 19 days. July afternoons run from about 78°F in Fabius to 82°F in Baldwinsville. January nights run from about 12°F in Fabius to 16°F in Baldwinsville.
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.
Onondaga County weather records
Measured at the NOAA stations serving these towns, daily records 1897 to 2026. Station extremes, not official state records.
Common questions about Onondaga County weather
- What is the hottest temperature recorded at a Onondaga County station?
- 101°F at Syracuse Hancock Intl Ap on August 14, 2002, in the NOAA daily station records myweatherrock holds (1897 to 2026).
- What is the coldest temperature recorded at a Onondaga County station?
- -37°F at Morrisville 6 Sw on December 30, 1917.
- What is the most rain a Onondaga County station has measured in one day?
- 6.82 inches at Brewerton Lock 23 on July 8, 1935.
- What is the biggest one-day snowfall at a Onondaga County station?
- 34.02 inches at Syracuse Hancock Intl Ap on February 15, 1946.
- How many Onondaga County towns have a weather page here?
- 39: 19 towns, 11 census-designated places, 8 villages, 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 Onondaga 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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