Hennepin, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hennepin, a community in Carter County, Oklahoma.
This Afternoon
67°F
Mostly Sunny
Mostly sunny. High near 67, with temperatures falling to around 63 in the afternoon. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Hennepin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Sunny | 10 to 14 mph NW | 1% |
| Tonight | 46°F | Mostly Clear | 1 to 7 mph WNW | 0% |
| Wednesday | 69°F | Sunny | 2 mph WNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SSE | 0% |
| Thursday | 70°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph WSW | 15% |
| Thursday Night | 44°F | Slight Chance Rain Showers then Mostly Clear | 3 to 8 mph N | 18% |
| Friday | 65°F | Sunny | 6 mph N | 0% |
| Friday Night | 42°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 64°F | Mostly Sunny | 2 mph N | 2% |
| Saturday Night | 42°F | Mostly Clear | 1 mph N | 3% |
| Sunday | 68°F | Sunny | 2 mph NNW | 2% |
| Sunday Night | 42°F | Clear | 1 mph WNW | 1% |
| Monday | 71°F | Sunny | 1 to 6 mph SW | 1% |
| Monday Night | 46°F | Mostly Clear | 2 mph S | 1% |
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 Nov 4, 2026.