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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.

Today
101°F
Sunny
Sunny, with a high near 101. Heat index values as high as 102. South wind 5 to 8 mph.

7-day forecast for Mill Creek

WhenTempForecastWindPrecip
Today 101°F Sunny 5 to 8 mph S 0%
Tonight 75°F Mostly Clear 5 to 8 mph SSE 1%
Wednesday 101°F Sunny 3 to 10 mph SSW 2%
Wednesday Night 75°F Mostly Clear 5 to 9 mph SSE 2%
Thursday 100°F Mostly Sunny 5 to 9 mph SSW 8%
Thursday Night 74°F Partly Cloudy 5 to 9 mph SSE 8%
Friday 97°F Slight Chance Showers And Thunderstorms 3 to 9 mph S 19%
Friday Night 73°F Slight Chance Showers And Thunderstorms then Mostly Clear 5 to 9 mph SSE 19%
Saturday 97°F Sunny 3 to 8 mph S 7%
Saturday Night 73°F Mostly Clear 5 to 8 mph SSE 6%
Sunday 97°F Sunny 5 to 10 mph S 3%
Sunday Night 73°F Mostly Clear 6 to 10 mph SSE 3%
Monday 97°F Sunny 6 to 13 mph S 2%
Monday Night 74°F Mostly Clear 7 to 12 mph S 2%

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 Aug 4, 2026.