Dennis, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dennis, a town in Parker County, Texas.
Today
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 95 in the afternoon. Heat index values as high as 102. South wind around 10 mph.
7-day forecast for Dennis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 10 mph S | 0% |
| Tonight | 75°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Sunday | 100°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 31% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 46% |
| Monday | 95°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 30% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph NE | 28% |
| Tuesday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph NE | 16% |
| Tuesday Night | 67°F | Partly Cloudy | 5 to 10 mph NE | 13% |
| Wednesday | 91°F | Mostly Sunny | 5 to 10 mph ENE | 10% |
| Wednesday Night | 68°F | Partly Cloudy | 5 mph E | 10% |
| Thursday | 92°F | Mostly Sunny | 5 mph ESE | 5% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph ESE | 3% |
| Friday | 92°F | Mostly Sunny | 0 to 10 mph ESE | 4% |
| Friday Night | 68°F | Partly Cloudy | 0 to 10 mph E | 4% |
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
8a
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.