Today | Weather | Friday, October 30, 2026

Weather in Allen, Texas

12:56 PM
Now
Rainy Weather
72° F
Feels Like 70°
Precipitation 75 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 63 %
Today
Rainy Weather
Day 73°
Night 61°
Precipitation 100 %
Wind 5 mph
UV Index (0 - 11+) 1

Allen Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 30, 2025)
Night

Day

64°

Night

43°

Wind

4 mph

Precipitation

0 %

Air Quality in Allen

NOW
52 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 13.09 µg/m³
PM10 15.04 µg/m³
O3 0.032 ppm
NO2 2.4 ppb
SO2 0.3 ppb
CO 0.15 ppm
NH3 0.19 µg/m³
NO 0.58 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 13.09 µg/m³
PM10 – 15.04 µg/m³
O3 – 63.49 µg/m³
NO2 – 4.51 µg/m³
SO2 – 0.85 µg/m³
CO – 171.77 µg/m³
NH3 – 0.19 µg/m³
NO – 0.58 µg/m³