Allen, TX Weather Forecast
Right now it is 72°F and clear in Allen (as of Tue, 1:35 PM CST). This Afternoon: high near 73°F. Tomorrow: mostly sunny, high near 71°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at McKinney - McKinney National Airport (8 mi from the city center).
Weather tomorrow in Allen
Mostly Sunny71°FMostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 0 to 5 mph.
Partly Cloudy then Patchy Fog51°FPatchy fog between midnight and 5am. Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. South southeast wind 0 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Allen right now.
7-day forecast
Sunny73°F / 50°FSunny. High near 73, with temperatures falling to around 70 in the afternoon. Northwest wind around 15 mph, with gusts as high as 30 mph. Tonight: Mostly clear. Low around 50, with temperatures rising to around 52 overnight. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny71°F / 51°FMostly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind 0 to 5 mph. Wednesday Night: Patchy fog between midnight and 5am. Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. South southeast wind 0 to 5 mph.
Mostly Sunny
13% chance of rain/snow76°F / 50°FMostly sunny. High near 76, with temperatures falling to around 72 in the afternoon. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Thursday Night: Partly cloudy, with a low around 50. North northwest wind 5 to 10 mph.
Sunny70°F / 46°FSunny, with a high near 70. North wind around 10 mph, with gusts as high as 20 mph. Friday Night: Partly cloudy, with a low around 46. North wind around 5 mph.
Mostly Sunny67°F / 45°FMostly sunny, with a high near 67. North wind around 5 mph. Saturday Night: Partly cloudy, with a low around 45.
Sunny68°F / 44°FSunny, with a high near 68. Sunday Night: Clear, with a low around 44.
Sunny71°F / 47°FSunny, with a high near 71. Monday Night: Mostly clear, with a low around 47.
Forecast issued by NWS forecast office FWD · updated Nov 3, 12:26 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Allen population: 113,447 (U.S. Census Bureau, July 1, 2025 estimate). More Texas cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Allen?
Wednesday, November 4: Mostly Sunny, high near 71°F; night: partly cloudy then patchy fog, low around 51°F.
Where does the Allen forecast come from?
From the National Weather Service forecast office FWD, which writes the official forecast for Allen's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Allen weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Allen (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.