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Hennepin, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hennepin, a community in Carter County, Oklahoma.

Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 7 mph.

7-day forecast for Hennepin

WhenTempForecastWindPrecip
Tonight 74°F Mostly Clear 7 mph S 0%
Saturday 99°F Sunny 9 mph SSW 0%
Saturday Night 75°F Mostly Clear 9 mph S 9%
Sunday 98°F Chance Showers And Thunderstorms 8 mph S 52%
Sunday Night 68°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 1 to 6 mph E 72%
Monday 90°F Chance Rain Showers 1 to 6 mph NNE 52%
Monday Night 66°F Mostly Clear then Slight Chance Rain Showers 6 mph NE 18%
Tuesday 86°F Slight Chance Rain Showers then Mostly Sunny 8 mph NE 18%
Tuesday Night 63°F Partly Cloudy 7 mph NE 4%
Wednesday 87°F Mostly Sunny 5 mph ENE 12%
Wednesday Night 65°F Partly Cloudy 3 mph ENE 7%
Thursday 88°F Slight Chance Rain Showers 5 mph E 20%
Thursday Night 66°F Partly Cloudy 5 mph ENE 7%
Friday 88°F Partly Sunny 5 mph ESE 8%

Forecast source: National Weather Service (api.weather.gov) for Hennepin (34.517, -97.345). Updated through the day.

Growing snapshot for Hennepin

Last spring frost
Apr 6
First fall frost
Nov 1
Growing season
204 days
Hardiness zone
8a

More local growing data for Hennepin: nearby ZIP 73444 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Healdton 3 E, Ok (16.8 mi from Hennepin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.