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

Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.90 in (1012.3 mb)
Dewpoint 67°F (19°C)
Visibility 5.00 mi
Last update 20 Sep 3:53 pm EDT
Extended Forecast for

Middlesex NJSimilar City Names

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 69. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Increasing clouds, with a high near 70. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of showers, mainly after 10pm. Cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. Cloudy, with a high near 63. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 5pm. Cloudy, with a high near 69. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Increasing clouds, with a high near 70. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers, mainly after 10pm. Cloudy, with a low around 54. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers likely, mainly before 2pm. Cloudy, with a high near 63. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers after 8am. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Mostly cloudy, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Middlesex NJSimilar City Names
 40.57°N 74.51°W (Elev. 52 ft)
Last Update:
4:09 pm EDT Sep 20, 2026
Forecast Valid:
4pm EDT Sep 20, 2026-6pm EDT Sep 27, 2026
 
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Additional Resources

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Chance of Precipitation