Southmayd, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Southmayd, a city in Grayson County, Texas.
Today
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 101. South wind 5 to 10 mph.
7-day forecast for Southmayd
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Sunday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 28% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SSE | 52% |
| Monday | 91°F | Chance Showers And Thunderstorms | 5 mph WNW | 52% |
| Monday Night | 68°F | Partly Cloudy | 5 to 10 mph NNE | 13% |
| Tuesday | 87°F | Mostly Sunny | 10 mph NNE | 13% |
| Tuesday Night | 64°F | Slight Chance Rain Showers | 5 to 10 mph NE | 15% |
| Wednesday | 88°F | Mostly Sunny | 5 to 10 mph ENE | 11% |
| Wednesday Night | 66°F | Partly Cloudy | 5 mph ENE | 4% |
| Thursday | 89°F | Mostly Sunny | 5 mph ESE | 5% |
| Thursday Night | 67°F | Partly Cloudy | 5 mph E | 3% |
| Friday | 89°F | Mostly Sunny | 5 mph ESE | 5% |
| Friday Night | 67°F | Partly Cloudy | 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov) for Southmayd (33.623, -96.708). Updated through the day.
Growing snapshot for Southmayd
Last spring frost
Mar 14
First fall frost
Nov 19
Growing season
250 days
Hardiness zone
8a
More local growing data for Southmayd: nearby ZIP 75092 weather · frost dates · planting calendar · Texas frost dates
Nearby towns & communities
Bells
Callisburg
Collinsville
Denison
Dorchester
Gunter
Howe
Knollwood
Lake Kiowa
Pottsboro
Sadler
Sherman
Sherwood Shores
Tioga
Tom Bean
Van Alstyne
Whitesboro
Whitewright
Climate data from the nearest NOAA station, Sherman, Tx (4.9 mi from Southmayd). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.