See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:45
Sunrise
19:00
Sunset
Moon
Waxing Crescent
11:33
Moonrise
20:33
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Somerville.
Resources
UV Index
Humidity
Weather in Somerville today, September 15, 2026
Somerville is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Morning skies stay relatively clear, holding cloud close to 13% near 08:00. The early part of the day favours being outside.
Expect highs of 31°C and cooler readings close to 11°C. Relative humidity sits between 27% and 82%, reaching its peak around 03:00. Expect gentle winds, highest near 20:00 at 4.4 km/h.
Afternoon conditions open up, holding cloud close to 8% near 17:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Daylight runs from 06:45 to 19:00, lasting 12 hours 15 minutes of sunlight today.
The practical takeaway for Somerville is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 31°C.
Frequently asked questions about weather in Somerville
How warm does it get in Somerville?
The warmest month in Somerville is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Somerville?
The coldest month in Somerville is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Somerville?
The wettest month in Somerville is July, with an average of 132mm of precipitation.
What is the driest time of year in Somerville?
The driest month in Somerville is November, with an average of 75mm of precipitation.
Explore more weather forecasts
- Bradley Gardens, New Jersey
- New York City, New York
- Manville, New Jersey
- Los Angeles, California
- Bridgewater, New Jersey
- Brooklyn, New York
- Martinsville, New Jersey
- Chicago, Illinois
- Bound Brook, New Jersey
- Houston, Texas
- Warren Township, New Jersey
- Queens, New York
- Middlesex, New Jersey
- Phoenix, Arizona
- Hillsborough, New Jersey
- Philadelphia, Pennsylvania