Harman US

Smithville, OK Weather & Growing Conditions

This Afternoon
69°F
Sunny
Sunny, with a high near 69. West wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 69°F Sunny 0 to 5 mph W 0%
Tonight 39°F Partly Cloudy 0 mph 0%
Thursday 73°F Sunny 0 to 5 mph S 1%
Thursday Night 46°F Partly Cloudy 0 to 5 mph N 12%
Friday 66°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 38°F Partly Cloudy 0 to 5 mph N 0%
Saturday 65°F Partly Sunny 0 to 5 mph NE 0%
Saturday Night 35°F Mostly Cloudy 0 to 5 mph N 1%
Sunday 66°F Mostly Sunny 0 mph 0%
Sunday Night 35°F Mostly Clear 0 mph 0%
Monday 69°F Sunny 0 mph 1%
Monday Night 37°F Slight Chance Rain Showers then Mostly Clear 0 mph 15%
Tuesday 71°F Sunny 0 to 5 mph SW 4%
Tuesday Night 38°F Mostly Clear 0 mph 2%

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

Growing snapshot for Smithville, OK

Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Smithville, Ok (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.