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

36°C

97°F

Humidity 58%
Wind Speed Calm
Barometer 1016.7 mb (30.03 in)
Dewpoint 27°C (80°F)
Visibility 11 km
Heat Index47°C (117°F)
Last update 23 Jun 4:53 pm EDT
Extended Forecast for

Changewater NJ

Extreme Heat Warning June 23, 05:08pm until June 25, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 05:08pm until June 25, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 24 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 37. Heat index values as high as 41. Calm wind becoming west 5 to 10 km/h in the afternoon.

    High: 37 °C

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °C

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 35 °C

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 22 °C

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 31. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 31 °C

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °C

    T-storms
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.

    High: 25 °C

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Calm wind.
Tuesday
Sunny and hot, with a high near 37. Heat index values as high as 41. Calm wind becoming west 5 to 10 km/h in the afternoon.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 31. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 25. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 28. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 21. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 31. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Changewater NJ
 40.76°N 74.94°W (Elev. 440 m)
Last Update:
4:11 pm EDT Jun 23, 2025
Forecast Valid:
5pm EDT Jun 23, 2025-6pm EDT Jun 30, 2025
 
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