Owasso, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Owasso, a city in Tulsa County, Oklahoma.
Tonight
75°F
Mostly Clear
Mostly clear, with a low around 75. South wind around 10 mph.
7-day forecast for Owasso
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Mostly Clear | 10 mph S | 0% |
| Saturday | 98°F | Sunny | 10 to 15 mph S | 1% |
| Saturday Night | 75°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph S | 25% |
| Sunday | 92°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph S | 61% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 5 mph N | 68% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 54% |
| Monday Night | 63°F | Partly Cloudy | 10 mph N | 12% |
| Tuesday | 80°F | Mostly Sunny | 10 mph NE | 6% |
| Tuesday Night | 59°F | Partly Cloudy | 10 mph NE | 3% |
| Wednesday | 81°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Wednesday Night | 61°F | Partly Cloudy | 5 mph NE | 5% |
| Thursday | 82°F | Slight Chance Rain Showers | 5 mph NE | 20% |
| Thursday Night | 64°F | Partly Cloudy | 5 mph NE | 8% |
| Friday | 83°F | Slight Chance Rain Showers | 5 mph E | 15% |
Forecast source: National Weather Service (api.weather.gov) for Owasso (36.287, -95.835). Updated through the day.
Growing snapshot for Owasso
Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
220 days
Hardiness zone
7b
More local growing data for Owasso: nearby ZIP 74055 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Bixby
Broken Arrow
Catoosa
Collinsville
Glenpool
Jenks
Leonard
Limestone
Lotsee
Sand Springs
Tulsa
Turley
Valley Park
Climate data from the nearest NOAA station, Tulsa Intl Ap, Ok (6.6 mi from Owasso). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.