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Dexter, KY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a community in Marshall County, Kentucky.

Today
67°F
Partly Sunny
Partly sunny. High near 67, with temperatures falling to around 63 in the afternoon. West southwest wind 5 to 10 mph.

7-day forecast for Dexter

WhenTempForecastWindPrecip
Today 67°F Partly Sunny 5 to 10 mph WSW 12%
Tonight 44°F Partly Cloudy 3 mph WSW 0%
Thursday 68°F Sunny 1 to 6 mph SW 0%
Thursday Night 44°F Mostly Clear 1 mph WNW 0%
Friday 63°F Mostly Sunny 2 to 8 mph NNW 0%
Friday Night 38°F Partly Cloudy 6 mph N 0%
Saturday 57°F Mostly Sunny 6 mph N 0%
Saturday Night 34°F Partly Cloudy 2 mph N 0%
Sunday 58°F Mostly Sunny 1 to 6 mph NNW 0%
Sunday Night 34°F Mostly Clear 2 mph NNW 0%
Monday 62°F Sunny 0 to 5 mph W 0%
Monday Night 36°F Clear 1 mph WSW 1%
Tuesday 67°F Sunny 1 to 5 mph WSW 1%
Tuesday Night 39°F Mostly Clear 1 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Dexter (36.739, -88.296). Updated through the day.

Growing snapshot for Dexter

Last spring frost
Apr 9
First fall frost
Oct 19
Growing season
192 days
Hardiness zone
7b

More local growing data for Dexter: nearby ZIP 42048 weather · frost dates · planting calendar · Kentucky frost dates

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Climate data from the nearest NOAA station, Benton, Ky (7.6 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.