Montgomery County weather, town by town
18 places in Montgomery County, Ohio, 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 1915 to 2026. Station extremes, not official state records.
Montgomery County Weather Facts
Montgomery County has 18 places on myweatherrock (12 cities, 3 census-designated places, 3 villages), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 104°F at Franklin on July 3, 2002. The coldest night is -33°F at Eaton on January 19, 1994. The wettest day brought 4.65 inches of rain at Dayton Mcd on September 14, 1979. The biggest single-day snow measured 12.21 inches at Dayton Intl Ap on January 26, 1978. Those are station measurements from NOAA's daily records, 1915 to 2026, not official state records. By area the largest place is Trotwood, about 30 square miles.
About Montgomery County weather
The map on the Now tab shows every Montgomery 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 17 Montgomery County towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 21°F. May is the wettest, with rain on about 14 days. January nights run from about 19°F in New Lebanon to 22°F in Centerville.
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.
Montgomery County weather records
Measured at the NOAA stations serving these towns, daily records 1915 to 2026. Station extremes, not official state records.
Common questions about Montgomery County weather
- What is the hottest temperature recorded at a Montgomery County station?
- 104°F at Franklin on July 3, 2002, in the NOAA daily station records myweatherrock holds (1915 to 2026).
- What is the coldest temperature recorded at a Montgomery County station?
- -33°F at Eaton on January 19, 1994.
- What is the most rain a Montgomery County station has measured in one day?
- 4.65 inches at Dayton Mcd on September 14, 1979.
- What is the biggest one-day snowfall at a Montgomery County station?
- 12.21 inches at Dayton Intl Ap on January 26, 1978.
- How many Montgomery County towns have a weather page here?
- 18: 12 cities, 3 census-designated places, 3 villages. 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 Montgomery 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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