Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

63°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.17 in (1021.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 7:53 pm EDT
Extended Forecast for

Millstone NJ

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 4am, then a chance of showers between 4am and 5am.  Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers after 2pm.  Mostly cloudy, with a high near 85. Calm wind.  Chance of precipitation is 20%.

    High: 85 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly after 8pm.  Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 88. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 58. Calm wind.
Sunday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 4am, then a chance of showers between 4am and 5am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 85. Calm wind. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 89.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Millstone NJ
 40.49°N 74.58°W (Elev. 69 ft)
4:09 pm EDT Aug 29, 2026
8pm EDT Aug 29, 2026-6pm EDT Sep 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database