Dennis, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a community in Delaware County, Oklahoma.
This Afternoon
65°F
Chance Rain Showers
A chance of rain showers and patchy drizzle. Mostly cloudy. High near 65, with temperatures falling to around 61 in the afternoon. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Chance Rain Showers | 15 mph W | 43% |
| Tonight | 51°F | Patchy Drizzle then Mostly Cloudy | 5 to 15 mph W | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 49°F | Clear | 0 mph | 0% |
| Thursday | 63°F | Mostly Sunny then Chance Rain Showers | 0 to 5 mph W | 49% |
| Thursday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph N | 31% |
| Friday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 59°F | Partly Sunny | 0 mph | 1% |
| Saturday Night | 44°F | Mostly Clear | 0 mph | 5% |
| Sunday | 63°F | Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 45°F | Mostly Clear | 0 mph | 1% |
| Monday | 66°F | Sunny | 5 mph SW | 0% |
| Monday Night | 50°F | Mostly Clear | 0 to 5 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dennis (36.547, -94.877). Updated through the day.
Growing snapshot for Dennis
Last spring frost
Apr 6
First fall frost
Oct 27
Growing season
203 days
Hardiness zone
7a
More local growing data for Dennis: nearby ZIP 74331 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Afton
Bernice
Brush Creek
Bull Hollow
Butler
Cleora
Cloud Creek
Colcord
Deer Lick
Drowning Creek
Flint Creek
Grove
Indianola
Jay
Kansas
Leach
Lowrey
New Eucha
Oak Hill-Piney
Oaks
Old Eucha
Rocky Ford
Sycamore
Tagg Flats
Teresita
Twin Oaks
White Water
Zena
Climate data from the nearest NOAA station, Miami, Ok (16.7 mi from Dennis). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.