National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

70°F

21°C

Humidity 82%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 64°F (18°C)
Visibility 9.00 mi
Last update 18 May 11:53 pm EDT
Extended Forecast for

Somerville NJ

Heat Advisory May 19, 12:02am until May 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 19, 12:02am until May 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Overnight

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Southwest wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 70. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 96. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 74. Southwest wind around 5 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 55. North wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Saturday
Showers. High near 64. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Somerville NJ
 40.56°N 74.6°W (Elev. 72 ft)
Last Update:
4:08 pm EDT May 18, 2026
Forecast Valid:
12am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation