Harman US

Owasso, OK Weather & Growing Conditions

Tonight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 46°F Partly Cloudy 5 to 15 mph NW 1%
Wednesday 67°F Sunny 5 to 10 mph W 0%
Wednesday Night 45°F Clear 0 to 5 mph S 0%
Thursday 62°F Partly Sunny then Rain Showers Likely 0 to 10 mph N 56%
Thursday Night 43°F Slight Chance Rain Showers then Partly Cloudy 5 mph N 24%
Friday 61°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 42°F Partly Cloudy 0 to 5 mph N 0%
Saturday 61°F Partly Sunny 0 to 5 mph N 1%
Saturday Night 41°F Mostly Clear 0 mph 4%
Sunday 66°F Sunny 0 to 5 mph W 2%
Sunday Night 41°F Clear 0 to 5 mph SW 0%
Monday 69°F Sunny 5 to 10 mph S 0%
Monday Night 45°F Mostly Clear 5 mph S 0%
Tuesday 71°F Sunny 5 to 10 mph S 0%

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 Nov 4, 2026.