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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

51°F

11°C

Humidity 50%
Wind Speed Calm
Barometer 29.85 in (1010.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 2 May 8:53 pm EDT
Extended Forecast for

Dayton NJ

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind around 5 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy, with a northwest wind 10 to 20 mph.

    High: 61 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Southwest wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 61. Breezy, with a northwest wind 10 to 20 mph.
Sunday Night
Partly cloudy, with a low around 43. Southwest wind around 5 mph.
Monday
Sunny, with a high near 73. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Thursday
Showers. High near 68. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 45.
Saturday
A chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton NJ
 40.39°N 74.49°W (Elev. 98 ft)
Last Update:
8:59 pm EDT May 2, 2026
Forecast Valid:
9pm EDT May 2, 2026-6pm EDT May 9, 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