Today | Weather | Thursday, June 4, 2026

Weather in Cedar Rapids, Iowa

03:24 AM
Now
Cloudy Night
63° F
Feels Like 61°
Precipitation 0 %
Wind 7 mph
Humidity 63 %
Today
Cloudy Weather
Day 88°
Night 64°
Precipitation 25 %
Wind 14 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Cedar Rapids Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 4, 2025)
Cloudy Weather

Day

79°

Night

54°

Wind

8 mph

UV Index

10

Precipitation

1 %

Air Quality in Cedar Rapids

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.63 µg/m³
PM10 9.12 µg/m³
O3 0.052 ppm
NO2 0.7 ppb
SO2 1 ppb
CO 0.10 ppm
NH3 2.47 µg/m³
NO 0 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)
PM2.58.63 µg/m³
PM109.12 µg/m³
O3101.52 µg/m³
NO21.3 µg/m³
SO22.57 µg/m³
CO116.23 µg/m³
NH32.47 µg/m³
NO0 µg/m³