Denison, TX Weather & Growing Conditions
Overnight
52°F
Clear
Clear. Low around 52, with temperatures rising to around 54 overnight. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Clear | 5 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 53°F | Partly Cloudy then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 75°F | Patchy Fog then Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday | 68°F | Sunny | 10 mph N | 0% |
| Friday Night | 47°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 65°F | Partly Sunny | 5 mph NNE | 1% |
| Saturday Night | 46°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 45°F | Mostly Clear | 0 mph | 0% |
| Monday | 70°F | Sunny | 0 to 5 mph SW | 2% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 2% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Denison, TX
Last spring frost
Mar 14
First fall frost
Nov 19
Growing season
250 days
Hardiness zone
8a
Explore more for Denison, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Sherman, Tx (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.