Harman US

Hanna, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hanna, a town in Mcintosh County, Oklahoma.

Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 104. South wind around 5 mph.

7-day forecast for Hanna

WhenTempForecastWindPrecip
Today 100°F Sunny 5 mph S 0%
Tonight 75°F Mostly Clear 0 to 5 mph SE 1%
Wednesday 101°F Sunny 5 mph S 4%
Wednesday Night 76°F Mostly Clear 5 mph S 5%
Thursday 100°F Mostly Sunny 5 mph S 14%
Thursday Night 74°F Slight Chance Showers And Thunderstorms 0 to 5 mph S 20%
Friday 95°F Chance Showers And Thunderstorms 0 to 5 mph S 31%
Friday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 24%
Saturday 95°F Mostly Sunny 0 to 5 mph S 13%
Saturday Night 73°F Mostly Clear 0 to 5 mph S 7%
Sunday 95°F Sunny 5 mph S 2%
Sunday Night 74°F Mostly Clear 5 mph S 1%
Monday 95°F Sunny 5 to 10 mph S 1%
Monday Night 74°F Mostly Clear 5 to 10 mph S 1%

Forecast source: National Weather Service (api.weather.gov) for Hanna (35.202, -95.889). Updated through the day.

Growing snapshot for Hanna

Last spring frost
Mar 31
First fall frost
Nov 3
Growing season
216 days
Hardiness zone
7b

More local growing data for Hanna: nearby ZIP 74845 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Mcalester Rgnl Ap, Ok (26.2 mi from Hanna). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.