Clarksville, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clarksville, a community in Wagoner County, Oklahoma.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. Southeast wind 5 to 10 mph.
7-day forecast for Clarksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph SE | 0% |
| Tonight | 76°F | Mostly Clear | 5 mph SE | 2% |
| Wednesday | 101°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Wednesday Night | 76°F | Partly Cloudy | 5 to 10 mph S | 8% |
| Thursday | 100°F | Mostly Sunny | 5 to 10 mph S | 14% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 43% |
| Friday | 95°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 43% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 16% |
| Saturday | 97°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph S | 3% |
| Sunday | 97°F | Sunny | 5 to 10 mph S | 2% |
| Sunday Night | 75°F | Clear | 5 to 10 mph S | 1% |
| Monday | 98°F | Sunny | 5 to 15 mph S | 1% |
| Monday Night | 76°F | Mostly Clear | 10 to 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Clarksville (35.824, -95.514). Updated through the day.
Growing snapshot for Clarksville
Last spring frost
Apr 7
First fall frost
Oct 30
Growing season
208 days
Hardiness zone
7b
More local growing data for Clarksville: nearby ZIP 74454 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Coweta
Mallard Bay
Okay
Porter
Redbird
Rocky Point
Taylor Ferry
Toppers
Tullahassee
Wagoner
Whitehorn Cove
Climate data from the nearest NOAA station, Muskogee, Ok (10.8 mi from Clarksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.