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Savanna, OK Weather & Growing Conditions

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

Overnight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind around 5 mph.

7-day forecast for Savanna

WhenTempForecastWindPrecip
Overnight 74°F Partly Cloudy 5 mph S 0%
Saturday 99°F Mostly Sunny 5 to 10 mph S 0%
Saturday Night 74°F Mostly Clear 5 mph S 2%
Sunday 96°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph S 28%
Sunday Night 70°F Chance Showers And Thunderstorms 0 to 5 mph SE 62%
Monday 91°F Rain Showers Likely 0 to 5 mph NE 62%
Monday Night 66°F Partly Cloudy 5 mph N 13%
Tuesday 86°F Mostly Sunny 5 to 10 mph N 10%
Tuesday Night 63°F Partly Cloudy 5 to 10 mph NE 7%
Wednesday 87°F Mostly Sunny 5 mph NE 7%
Wednesday Night 63°F Partly Cloudy 0 to 5 mph NE 5%
Thursday 89°F Mostly Sunny 0 to 5 mph E 5%
Thursday Night 64°F Partly Cloudy 0 to 5 mph E 5%
Friday 89°F Mostly Sunny 0 to 5 mph E 6%

Forecast source: National Weather Service (api.weather.gov) for Savanna (34.837, -95.834). Updated through the day.

Growing snapshot for Savanna

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

More local growing data for Savanna: nearby ZIP 74565 weather · frost dates · planting calendar · Oklahoma frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Mcalester Rgnl Ap, Ok (4.9 mi from Savanna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.