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Owasso, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Owasso, a city in Tulsa County, Oklahoma.

This Afternoon
67°F
Patchy Drizzle
Patchy drizzle and a slight chance of rain showers before 3pm. Mostly cloudy. High near 67, with temperatures falling to around 62 in the afternoon. West wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

7-day forecast for Owasso

WhenTempForecastWindPrecip
This Afternoon 67°F Patchy Drizzle 15 mph W 15%
Tonight 46°F Mostly Cloudy 5 to 15 mph NW 1%
Wednesday 68°F Sunny 5 to 10 mph W 0%
Wednesday Night 48°F Mostly Clear 5 mph S 1%
Thursday 66°F Chance Rain Showers 0 to 5 mph W 26%
Thursday Night 44°F Partly Cloudy 5 mph NW 9%
Friday 64°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 43°F Mostly Cloudy 0 to 5 mph N 0%
Saturday 64°F Partly Sunny 5 mph N 2%
Saturday Night 42°F Partly Cloudy 0 to 5 mph NW 5%
Sunday 65°F Sunny 5 to 10 mph NW 3%
Sunday Night 41°F Mostly Clear 5 mph SW 2%
Monday 69°F Sunny 5 mph S 1%
Monday Night 45°F Mostly Clear 5 mph S 1%

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

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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 Nov 3, 2026.