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

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

74°F

23°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 13 Jul 12:53 am EDT
Extended Forecast for

Raritan NJSimilar City Names

  • Overnight

    Overnight: Cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 88. Southeast wind 5 to 10 mph.

    High: 88 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 89. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Sunny, with a high near 92. Chance of precipitation is 20%.

    High: 92 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 69. East wind around 5 mph.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 88. Southeast wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 89. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers after 2pm. Sunny, with a high near 92. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Raritan NJSimilar City Names
 40.56°N 74.63°W (Elev. 69 ft)
Last Update:
1:08 am EDT Jul 13, 2025
Forecast Valid:
1am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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Additional Resources

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Chance of Precipitation