Dennis, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a town in Parker County, Texas.

Tonight

73°F

Mostly Clear

Mostly clear. Low around 73, with temperatures rising to around 75 overnight. Southeast wind around 5 mph.

7-day forecast for Dennis

When	Temp	Forecast	Wind	Precip
Tonight	73°F	Mostly Clear	5 mph SE	0%
Saturday	99°F	Sunny	5 to 10 mph S	0%
Saturday Night	74°F	Mostly Clear	10 mph SSE	0%
Sunday	100°F	Mostly Sunny	5 to 10 mph S	13%
Sunday Night	71°F	Chance Showers And Thunderstorms	0 to 5 mph SSE	50%
Monday	95°F	Chance Rain Showers then Slight Chance Showers And Thunderstorms	0 to 5 mph WNW	50%
Monday Night	71°F	Slight Chance Showers And Thunderstorms	5 mph ENE	23%
Tuesday	92°F	Slight Chance Rain Showers	5 to 10 mph NE	16%
Tuesday Night	69°F	Slight Chance Rain Showers then Partly Cloudy	5 to 10 mph NE	15%
Wednesday	92°F	Mostly Sunny	5 to 10 mph ENE	12%
Wednesday Night	70°F	Partly Cloudy	5 to 10 mph ENE	12%
Thursday	94°F	Mostly Sunny	5 to 10 mph E	5%
Thursday Night	69°F	Partly Cloudy	5 to 10 mph E	5%
Friday	93°F	Mostly Sunny	5 to 10 mph ESE	6%

Forecast source: National Weather Service (api.weather.gov) for Dennis (32.608, -97.938). Updated through the day.

Growing snapshot for Dennis

Last spring frost

Mar 24

First fall frost

Nov 9

Growing season

228 days

Hardiness zone

More local growing data for Dennis: nearby ZIP 76439 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Granbury 5N, Tx (9.6 mi from Dennis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.