Owasso, OK Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 15 mph S | 0% |
| Tonight | 75°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 20% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 10 mph S | 50% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph N | 67% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph N | 67% |
| Monday Night | 62°F | Partly Cloudy | 10 to 15 mph N | 7% |
| Tuesday | 78°F | Mostly Sunny | 10 to 15 mph N | 7% |
| Tuesday Night | 58°F | Partly Cloudy | 10 mph NE | 3% |
| Wednesday | 80°F | Mostly Sunny | 10 mph NE | 4% |
| Wednesday Night | 60°F | Partly Cloudy | 5 mph NE | 3% |
| Thursday | 82°F | Mostly Sunny | 5 mph E | 9% |
| Thursday Night | 63°F | Partly Cloudy | 5 mph E | 9% |
| Friday | 83°F | Slight Chance Rain Showers | 5 mph E | 17% |
| Friday Night | 64°F | Partly Cloudy | 5 mph E | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Owasso, OK
Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
220 days
Hardiness zone
7b
Explore more for Owasso, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Tulsa Intl Ap, Ok (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.