Harman US

Tonkawa, OK Weather & Growing Conditions

Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 74°F Mostly Clear 10 mph S 0%
Saturday 99°F Sunny 10 to 15 mph S 12%
Saturday Night 72°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 7 to 13 mph S 57%
Sunday 90°F Showers And Thunderstorms Likely 8 mph SE 62%
Sunday Night 63°F Chance Showers And Thunderstorms 8 mph NNE 49%
Monday 81°F Slight Chance Rain Showers then Mostly Sunny 10 mph NNE 19%
Monday Night 58°F Partly Cloudy 9 mph NE 6%
Tuesday 76°F Mostly Sunny 9 mph NE 7%
Tuesday Night 54°F Partly Cloudy 6 to 9 mph ENE 2%
Wednesday 78°F Mostly Sunny 7 mph ENE 6%
Wednesday Night 57°F Partly Cloudy 7 mph E 7%
Thursday 80°F Chance Rain Showers 7 mph SE 31%
Thursday Night 61°F Slight Chance Rain Showers 7 mph ESE 21%
Friday 83°F Slight Chance Rain Showers 7 mph SE 23%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Tonkawa, OK

Last spring frost
Apr 8
First fall frost
Oct 27
Growing season
201 days
Hardiness zone
7a

Explore more for Tonkawa, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Blackwell 4Sse Mesonet, Ok (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.