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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.