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Mill Creek, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mill Creek, a town in Johnston County, Oklahoma.

This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 98. South southeast wind around 8 mph.

7-day forecast for Mill Creek

WhenTempForecastWindPrecip
This Afternoon 98°F Sunny 8 mph SSE 0%
Tonight 71°F Mostly Clear 3 to 7 mph S 0%
Saturday 99°F Sunny 5 to 10 mph SSW 0%
Saturday Night 72°F Mostly Clear 5 to 10 mph S 6%
Sunday 98°F Mostly Sunny then Chance Showers And Thunderstorms 6 to 9 mph S 41%
Sunday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 1 to 7 mph S 62%
Monday 92°F Rain Showers Likely 1 to 6 mph NNE 62%
Monday Night 64°F Mostly Clear 7 mph NNE 14%
Tuesday 88°F Mostly Sunny 9 mph NNE 11%
Tuesday Night 62°F Partly Cloudy 5 to 8 mph NE 3%
Wednesday 89°F Mostly Sunny 7 mph ENE 8%
Wednesday Night 63°F Partly Cloudy 5 mph ENE 5%
Thursday 90°F Mostly Sunny 5 mph E 13%
Thursday Night 64°F Partly Cloudy 5 mph ENE 8%

Forecast source: National Weather Service (api.weather.gov) for Mill Creek (34.403, -96.825). Updated through the day.

Growing snapshot for Mill Creek

Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
222 days
Hardiness zone
7b

More local growing data for Mill Creek: nearby ZIP 74856 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Tishomingo 6N Mesonet, Ok (9 mi from Mill Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.