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Hennessey, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hennessey, a town in Kingfisher County, Oklahoma.

This Afternoon
61°F
Mostly Sunny
Mostly sunny, with a high near 61. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.

7-day forecast for Hennessey

WhenTempForecastWindPrecip
This Afternoon 61°F Mostly Sunny 14 to 17 mph NW 1%
Tonight 46°F Mostly Clear 5 to 12 mph NW 0%
Wednesday 65°F Sunny 2 to 6 mph W 0%
Wednesday Night 48°F Mostly Clear 3 mph S 4%
Thursday 58°F Rain Showers 3 to 10 mph NNE 84%
Thursday Night 41°F Mostly Clear 6 mph NNW 9%
Friday 60°F Sunny 6 mph N 0%
Friday Night 40°F Partly Cloudy 3 mph NNE 0%
Saturday 62°F Mostly Sunny 2 mph WNW 2%
Saturday Night 41°F Mostly Clear 0 to 3 mph SW 3%
Sunday 66°F Sunny 3 mph WSW 1%
Sunday Night 43°F Clear 6 mph S 1%
Monday 69°F Sunny 6 to 9 mph SSW 0%
Monday Night 47°F Mostly Clear 6 mph SSW 0%

Forecast source: National Weather Service (api.weather.gov) for Hennessey (36.106, -97.899). Updated through the day.

Growing snapshot for Hennessey

Last spring frost
Apr 14
First fall frost
Oct 30
Growing season
198 days
Hardiness zone
7a

More local growing data for Hennessey: nearby ZIP 73742 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Hennessey 4 Ese, Ok (4.9 mi from Hennessey). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.