Grayson, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grayson, a town in Okmulgee County, Oklahoma.
This Afternoon
66°F
Patchy Drizzle
Patchy drizzle and a slight chance of rain showers before 3pm. Mostly cloudy. High near 66, with temperatures falling to around 61 in the afternoon. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Grayson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Patchy Drizzle | 10 to 15 mph W | 17% |
| Tonight | 46°F | Partly Cloudy | 0 to 10 mph NW | 1% |
| Wednesday | 68°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 mph | 0% |
| Thursday | 65°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph SW | 45% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 19% |
| Friday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 62°F | Partly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 40°F | Mostly Clear | 0 mph | 3% |
| Sunday | 67°F | Sunny | 0 mph | 2% |
| Sunday Night | 39°F | Clear | 0 mph | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grayson (35.505, -95.872). Updated through the day.
Growing snapshot for Grayson
Last spring frost
Apr 8
First fall frost
Oct 28
Growing season
203 days
Hardiness zone
7b
More local growing data for Grayson: nearby ZIP 74431 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Okmulgee Wtr Wks, Ok (12.5 mi from Grayson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.