Harman US

Grant, OK Weather & Growing Conditions

Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 72°F Partly Cloudy 5 mph S 0%
Sunday 98°F Mostly Sunny 5 to 10 mph S 2%
Sunday Night 71°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 0 to 5 mph W 38%
Monday 96°F Chance Showers And Thunderstorms 0 to 5 mph NW 37%
Monday Night 69°F Chance Showers And Thunderstorms then Partly Cloudy 5 mph N 33%
Tuesday 92°F Mostly Sunny 5 to 10 mph NE 11%
Tuesday Night 66°F Partly Cloudy 5 to 10 mph NE 4%
Wednesday 91°F Sunny 5 mph NE 3%
Wednesday Night 64°F Partly Cloudy 5 mph E 2%
Thursday 91°F Mostly Sunny 5 mph E 1%
Thursday Night 64°F Partly Cloudy 0 to 5 mph E 1%
Friday 90°F Partly Sunny 5 mph E 4%
Friday Night 64°F Mostly Cloudy 0 to 5 mph NE 6%
Saturday 88°F Partly Sunny 5 mph E 11%

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

Growing snapshot for Grant, OK

Last spring frost
Mar 15
First fall frost
Nov 15
Growing season
244 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Hugo, Ok (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.