Today | Weather | Tuesday, October 13, 2026

Weather in Grand Junction, Colorado

06:02 PM
Now
Rainy Weather
54° F
Feels Like 48°
Precipitation 68 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 81 %
Today
Rainy Weather
Day 57°
Night 46°
Precipitation 100 %
Wind 8 mph
UV Index (0 - 11+) 2

Grand Junction Weather Forecast Updated

44 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 13, 2025)
Stormy Weather

Day

59°

Night

52°

Wind

7 mph

UV Index

10

Precipitation

96 %

Air Quality in Grand Junction

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.51 µg/m³
O3 0.033 ppm
NO2 0.4 ppb
SO2 0 ppb
CO 0.08 ppm
NH3 0.36 µg/m³
NO 0.09 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)
PM2.5 – 0.5 µg/m³
PM10 – 0.51 µg/m³
O3 – 64.83 µg/m³
NO2 – 0.74 µg/m³
SO2 – 0.05 µg/m³
CO – 89.95 µg/m³
NH3 – 0.36 µg/m³
NO – 0.09 µg/m³