Hennessey, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hennessey, a town in Kingfisher County, Oklahoma.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. South wind around 13 mph, with gusts as high as 20 mph.
7-day forecast for Hennessey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 13 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 12 mph S | 1% |
| Saturday | 100°F | Sunny | 12 to 15 mph SSW | 4% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 13 mph S | 40% |
| Sunday | 95°F | Showers And Thunderstorms Likely | 9 mph S | 59% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 8 mph NE | 53% |
| Monday | 85°F | Chance Showers And Thunderstorms then Mostly Sunny | 9 mph NNE | 29% |
| Monday Night | 61°F | Partly Cloudy | 8 mph NE | 9% |
| Tuesday | 81°F | Partly Sunny | 9 mph NE | 9% |
| Tuesday Night | 58°F | Partly Cloudy | 8 mph ENE | 4% |
| Wednesday | 82°F | Mostly Sunny | 7 mph ENE | 12% |
| Wednesday Night | 61°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph E | 16% |
| Thursday | 84°F | Chance Rain Showers | 7 mph E | 29% |
| Thursday Night | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph E | 23% |
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
Nearby towns & communities
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 Sep 19, 2026.