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Southmayd, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Southmayd, a city in Grayson County, Texas.

This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 68 in the afternoon. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Southmayd

WhenTempForecastWindPrecip
This Afternoon 72°F Mostly Sunny 10 to 15 mph WNW 1%
Tonight 50°F Mostly Clear 5 to 10 mph NW 0%
Wednesday 70°F Mostly Sunny 0 to 5 mph WNW 0%
Wednesday Night 51°F Partly Cloudy then Patchy Fog 0 to 5 mph SSE 0%
Thursday 74°F Sunny 5 to 10 mph SSW 12%
Thursday Night 50°F Partly Cloudy 5 to 10 mph NNW 13%
Friday 68°F Sunny 5 to 10 mph N 0%
Friday Night 46°F Partly Cloudy 5 mph N 0%
Saturday 66°F Mostly Sunny 5 mph N 1%
Saturday Night 45°F Partly Cloudy 0 to 5 mph N 5%
Sunday 68°F Sunny 0 to 5 mph NNW 2%
Sunday Night 44°F Clear 0 mph 1%
Monday 71°F Sunny 0 to 5 mph SSW 1%
Monday Night 48°F Mostly Clear 5 mph S 0%

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

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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 Nov 3, 2026.