Dennis, TX Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. West southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Thursday | 78°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 50°F | Partly Cloudy | 5 to 10 mph NNW | 2% |
| Friday | 69°F | Sunny | 5 to 10 mph N | 2% |
| Friday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 66°F | Partly Sunny | 5 mph N | 5% |
| Saturday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 15% |
| Sunday | 68°F | Mostly Sunny | 0 to 5 mph N | 2% |
| Sunday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph SSW | 2% |
| Monday Night | 44°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 74°F | Sunny | 0 to 5 mph S | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 0 to 5 mph S | 3% |
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.