Today | Weather | Sunday, May 31, 2026

Weather in Manchester, New Hampshire

12:40 PM
Now
Cloudy Weather
68° F
Feels Like 68°
Precipitation 41 %
Wind 10 mph
UV Index (0 - 11+) 3
Humidity 40 %
Today
Rainy Weather
Day 68°
Night 46°
Precipitation 96 %
Wind 8 mph
UV Index (0 - 11+) 4

Manchester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 31, 2025)
Stormy Weather

Day

70°

Night

50°

Wind

8 mph

UV Index

3

Precipitation

100 %

Air Quality in Manchester

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.62 µg/m³
PM10 0.82 µg/m³
O3 0.044 ppm
NO2 0.5 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.39 µg/m³
NO 0.15 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)
PM2.50.62 µg/m³
PM100.82 µg/m³
O385.79 µg/m³
NO20.87 µg/m³
SO20.28 µg/m³
CO105.85 µg/m³
NH30.39 µg/m³
NO0.15 µg/m³