Dennis, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a community in Delaware County, Oklahoma.
Today
95°F
Sunny
Sunny, with a high near 95. South wind around 5 mph.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 5 mph S | 0% |
| Tonight | 77°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 97°F | Mostly Sunny | 5 mph S | 6% |
| Wednesday Night | 78°F | Partly Cloudy | 5 mph S | 13% |
| Thursday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 20% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 55% |
| Friday | 91°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph S | 55% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 25% |
| Saturday | 94°F | Sunny | 5 mph S | 14% |
| Saturday Night | 77°F | Mostly Clear | 5 mph S | 6% |
| Sunday | 94°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 77°F | Clear | 5 mph S | 1% |
| Monday | 95°F | Sunny | 5 to 10 mph S | 1% |
| Monday Night | 79°F | Mostly Clear | 5 to 10 mph S | 1% |
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
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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 Aug 4, 2026.