Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Fair

67°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 29.82 in (1009.7 mb)
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 27 Jul 1:53 am EDT
Extended Forecast for

Watchung NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 10pm.  Mostly cloudy, with a low around 65. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall.  High near 78. Southwest wind 5 to 15 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 78 °F

    Showers then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall.  Low around 65. Southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Heavy Rain
    then Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm.  High near 74. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm.  Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 65. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 78. Southwest wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Some of the storms could produce heavy rainfall. Low around 65. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 62. Chance of precipitation is 80%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watchung NJ
 40.63°N 74.47°W (Elev. 410 ft)
4:08 pm EDT Jul 26, 2026
2am EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
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Additional Resources

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