Dennis, TX Weather & Growing Conditions
Tonight
48°F
Mostly Clear
Mostly clear. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 73°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 50°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Thursday | 77°F | Sunny | 5 to 10 mph SW | 12% |
| Thursday Night | 48°F | Mostly Clear | 5 to 10 mph NNW | 5% |
| Friday | 70°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 67°F | Mostly Sunny | 0 to 5 mph N | 6% |
| Saturday Night | 43°F | Partly Cloudy | 0 mph | 6% |
| Sunday | 70°F | Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 42°F | Clear | 0 mph | 1% |
| Monday | 73°F | Sunny | 0 to 5 mph S | 2% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph S | 1% |
| Tuesday | 75°F | Sunny | 0 to 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dennis, TX
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
Explore more for Dennis, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Granbury 5N, Tx (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.