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

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

Overcast

59°F

15°C

Humidity 49%
Wind Speed Calm
Barometer 29.84 in (1010.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 8 May 7:53 pm EDT
Extended Forecast for

Long Valley NJ

  • Tonight

    Tonight: A slight chance of showers before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers, mainly before 4pm. High near 61. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers between 8pm and 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. Light west wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers after 8pm. Low around 47. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers

  • Monday

    Monday: Showers, mainly before 2pm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Showers, mainly before 4pm. High near 61. South wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers between 8pm and 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. Light west wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 47. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers, mainly before 2pm. High near 59. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley NJ
 40.78°N 74.76°W (Elev. 725 ft)
Last Update:
4:08 pm EDT May 8, 2026
Forecast Valid:
7pm EDT May 8, 2026-6pm EDT May 15, 2026
 
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