Harman US

Savanna, OK Weather & Growing Conditions

This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. Northwest wind around 10 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Mostly Cloudy 10 mph NW 11%
Tonight 45°F Partly Cloudy 0 to 5 mph NW 1%
Wednesday 70°F Sunny 0 to 5 mph W 0%
Wednesday Night 43°F Partly Cloudy 0 mph 0%
Thursday 71°F Mostly Sunny then Slight Chance Rain Showers 0 to 5 mph SW 18%
Thursday Night 43°F Slight Chance Rain Showers then Mostly Cloudy 0 to 5 mph N 15%
Friday 65°F Mostly Sunny 5 mph N 0%
Friday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Saturday 65°F Partly Sunny 0 to 5 mph N 1%
Saturday Night 39°F Mostly Clear 0 mph 5%
Sunday 68°F Sunny 0 to 5 mph NW 2%
Sunday Night 39°F Clear 0 mph 1%
Monday 70°F Sunny 0 to 5 mph SW 1%
Monday Night 42°F Mostly Clear 0 mph 1%

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

Growing snapshot for Savanna, OK

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

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

Climate data from the nearest NOAA station, Mcalester Rgnl Ap, Ok (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.