Today | Weather | Friday, September 18, 2026

Weather in Mission, Texas

08:25 AM
Now
Sunny with a Chance of Thunderstorms
81° F
Feels Like 90°
Precipitation 51 %
Wind 5 mph
UV Index (0 - 11+) 1
Humidity 87 %
Today
Sunny with a Chance of Thunderstorms
Day 99°
Night 77°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 7

Mission Weather Forecast Updated

15 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Cloudy Night

Day

90°

Night

75°

Wind

6 mph

Precipitation

25 %

Air Quality in Mission

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.9 µg/m³
PM10 3.77 µg/m³
O3 0.021 ppm
NO2 0.8 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 1.4 µg/m³
NO 0.01 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.51.9 µg/m³
PM103.77 µg/m³
O340.44 µg/m³
NO21.57 µg/m³
SO20.26 µg/m³
CO134.2 µg/m³
NH31.4 µg/m³
NO0.01 µg/m³