Today | Weather | Monday, September 21, 2026

Weather in St. Cloud, Minnesota

12:52 PM
Now
Rainy Weather
55° F
Feels Like 54°
Precipitation 60 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 57 %
Today
Partly Sunny with Showers
Day 57°
Night 43°
Precipitation 70 %
Wind 6 mph
UV Index (0 - 11+) 2

St. Cloud Weather Forecast Updated

25 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 21, 2025)
Cloudy Weather

Day

77°

Night

55°

Wind

4 mph

UV Index

40

Precipitation

25 %

Air Quality in St. Cloud

NOW
20 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.65 µg/m³
PM10 0.79 µg/m³
O3 0.021 ppm
NO2 2 ppb
SO2 0.1 ppb
CO 0.15 ppm
NH3 0.7 µg/m³
NO 0.46 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)
PM2.50.65 µg/m³
PM100.79 µg/m³
O342.13 µg/m³
NO23.79 µg/m³
SO20.28 µg/m³
CO172.7 µg/m³
NH30.7 µg/m³
NO0.46 µg/m³