Allen, TX Weather & Growing Conditions
Today
72°F
Partly Sunny
Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 0 to 5 mph NW | 0% |
| Tonight | 52°F | Mostly Clear then Patchy Fog | 0 to 5 mph ESE | 0% |
| Thursday | 75°F | Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 10 mph N | 3% |
| Friday | 69°F | Sunny | 10 to 15 mph N | 0% |
| Friday Night | 46°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 66°F | Mostly Sunny | 5 mph NNE | 2% |
| Saturday Night | 45°F | Slight Chance Rain Showers | 5 mph NNE | 15% |
| Sunday | 66°F | Mostly Sunny | 5 mph N | 3% |
| Sunday Night | 44°F | Mostly Clear | 0 mph | 1% |
| Monday | 69°F | Sunny | 0 to 5 mph SSW | 2% |
| Monday Night | 46°F | Mostly Clear | 0 to 5 mph SSE | 2% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 2% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph SSE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Allen, TX
Last spring frost
Mar 18
First fall frost
Nov 11
Growing season
239 days
Hardiness zone
8b
Explore more for Allen, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Mckinney Muni Ap, Tx (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.