Today | Weather | Wednesday, March 18, 2026

Weather in Springfield, Ohio

03:08 AM
Now
Cloudy Night
23° F
Feels Like 16°
Precipitation 3 %
Wind 7 mph
Humidity 56 %
Today
Snowy Weather
Day 39°
Night 32°
Precipitation 56 %
Wind 14 mph
UV Index (0 - 11+) 1
Overnight Frost 2 AM – 7 AM

Springfield Weather Forecast Updated

7 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)

Day

70°

Night

37°

Air Quality in Springfield

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.78 µg/m³
PM10 4.41 µg/m³
O3 0.045 ppm
NO2 3.6 ppb
SO2 1.6 ppb
CO 0.15 ppm
NH3 0.86 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)
PM2.52.78 µg/m³
PM104.41 µg/m³
O387.42 µg/m³
NO26.72 µg/m³
SO24.08 µg/m³
CO175.66 µg/m³
NH30.86 µg/m³
NO0 µg/m³