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Decatur, TX Weather & Growing Conditions

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

This Afternoon
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 97. Southeast wind around 10 mph.

7-day forecast for Decatur

WhenTempForecastWindPrecip
This Afternoon 98°F Sunny 10 mph SE 0%
Tonight 74°F Mostly Clear 5 to 10 mph SSE 0%
Saturday 99°F Sunny 5 to 10 mph S 0%
Saturday Night 75°F Mostly Clear 10 mph S 0%
Sunday 99°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph S 20%
Sunday Night 70°F Showers And Thunderstorms Likely 5 mph SSE 56%
Monday 92°F Rain Showers Likely then Slight Chance Showers And Thunderstorms 0 to 5 mph SSW 56%
Monday Night 69°F Chance Showers And Thunderstorms 5 mph NE 25%
Tuesday 91°F Chance Rain Showers 5 to 10 mph NE 25%
Tuesday Night 67°F Partly Cloudy 5 to 10 mph NE 7%
Wednesday 91°F Mostly Sunny 5 mph ENE 7%
Wednesday Night 68°F Partly Cloudy 5 mph ENE 4%
Thursday 92°F Mostly Sunny 5 mph E 9%
Thursday Night 69°F Partly Cloudy 5 mph E 6%

Forecast source: National Weather Service (api.weather.gov) for Decatur (33.226, -97.587). Updated through the day.

Growing snapshot for Decatur

Last spring frost
Mar 20
First fall frost
Nov 11
Growing season
237 days
Hardiness zone
8a

More local growing data for Decatur: nearby ZIP 76234 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Decatur, Tx (6.9 mi from Decatur). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.