Harman US

Preston, OK Weather & Growing Conditions

Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 103. Southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 100°F Sunny 5 mph SE 0%
Tonight 74°F Mostly Clear 5 mph SE 3%
Wednesday 102°F Mostly Sunny 5 mph S 4%
Wednesday Night 74°F Partly Cloudy 5 mph S 6%
Thursday 100°F Mostly Sunny 5 mph SW 14%
Thursday Night 74°F Chance Showers And Thunderstorms 5 mph S 35%
Friday 95°F Chance Showers And Thunderstorms 5 mph S 35%
Friday Night 73°F Slight Chance Showers And Thunderstorms 5 to 10 mph S 19%
Saturday 97°F Slight Chance Showers And Thunderstorms then Sunny 5 mph S 16%
Saturday Night 73°F Mostly Clear 5 to 10 mph S 4%
Sunday 97°F Sunny 5 to 10 mph S 2%
Sunday Night 74°F Clear 5 to 10 mph S 1%
Monday 97°F Sunny 5 to 10 mph S 1%
Monday Night 75°F Mostly Clear 10 mph S 1%

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

Growing snapshot for Preston, OK

Last spring frost
Apr 8
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Okmulgee Wtr Wks, Ok (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.