Harman US

Big Rock, KY Weather & Growing Conditions

Today
86°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 3pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 83 in the afternoon. East wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph E 24%
Tonight 67°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 mph ESE 15%
Wednesday 85°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SSW 55%
Wednesday Night 67°F Chance Showers And Thunderstorms 3 mph S 54%
Thursday 84°F Chance Showers And Thunderstorms 2 to 6 mph SSW 76%
Thursday Night 68°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 mph SSW 76%
Friday 87°F Chance Showers And Thunderstorms 5 mph SSW 49%
Friday Night 67°F Chance Showers And Thunderstorms 5 mph SSW 49%
Saturday 87°F Showers And Thunderstorms Likely 5 mph SW 62%
Saturday Night 67°F Showers And Thunderstorms Likely 3 mph SSW 62%
Sunday 88°F Chance Showers And Thunderstorms 3 mph SW 34%
Sunday Night 67°F Chance Showers And Thunderstorms then Partly Cloudy 3 mph SSW 34%
Monday 89°F Chance Rain Showers then Chance Showers And Thunderstorms 5 mph SW 32%
Monday Night 69°F Chance Showers And Thunderstorms 5 mph SSW 32%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Big Rock, KY

Last spring frost
Apr 22
First fall frost
Oct 23
Growing season
182 days
Hardiness zone
7a

Explore more for Big Rock, KY: full frost dates · planting calendar · Kentucky frost dates

Climate data from the nearest NOAA station, Breaks Interstate Park, Va (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.