Now · 4:02 AM
Somersworth Weather & Hourly Forecast
United States · New Hampshire · 03878
Hourly Forecast for Somersworth
In Somersworth and, more broadly, across the state of New Hampshire: This morning, mostly cloudy skies will bring cool conditions with temperatures ranging from 46 to 63 degrees Fahrenheit. Light winds from the north, with speeds up to 8 mph and gusts reaching 19 mph, will add to the brisk feel of the morning. As the day progresses into the afternoon, the cloud cover will persist, but no rain is expected. Temperatures are expected to remain steady within the cooler range, providing a comfortable yet chilly atmosphere. Winds will continue to be light, maintaining a gentle breeze from the north. Overall, it will be a cool, cloudy day with no significant weather disturbances.
15-Day Weather Outlook for Somersworth
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Somersworth
AIR QUALITY FORECAST
Air Quality Forecast for Somersworth
PM2.5 Fine particles Good 2,2µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,9µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 61,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 4,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
PM2.5 Fine particles Good 2,0µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 81,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,5µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
PM2.5 Fine particles Good 1,0µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,1µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 77,4µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
PM2.5 Fine particles Good 1,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,0µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 66,9µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
PM2.5 Fine particles Good 1,0µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,2µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 32,6µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 6,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
UV & HEALTH
UV, Sun & Health Outlook in Somersworth
Today's weather health advice
Open today's recommendations.
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Somersworth
Tonight's Stargazing & Shooting Stars
Fair observing conditions. Best local viewing window: 5:00 AM–6:00 AM.
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Somersworth were last refreshed today at 4:02 AM. The current forecast period extends through 27/09/2026 at 2:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.