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

Dangerous Heat and Humidity Wednesday through Saturday

Dangerously hot and humid conditions are expected to build starting Wednesday through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Monmouth Executive Airport (KBLM)

Lat: 40.18°NLon: 74.13°WElev: 157ft.

Overcast

75°F

24°C

Humidity 66%
Wind Speed SW 7 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 1 Jul 12:56 am EDT
Extended Forecast for

Adelphia NJ

Extreme Heat Warning July 1, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A slight chance of showers and thunderstorms, then a chance of showers after 3am. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 102. Southwest wind around 10 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 81. Southwest wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%.

    High: 99 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms, then a chance of showers after 3am. Partly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 96. Heat index values as high as 102. Southwest wind around 10 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 73. South wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny and hot, with a high near 100. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 81. Southwest wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 103.
Friday Night
Partly cloudy, with a low around 79.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Adelphia NJ
 40.21°N 74.26°W (Elev. 95 ft)
Last Update:
5:37 pm EDT Jun 30, 2026
Forecast Valid:
1am EDT Jul 1, 2026-6pm EDT Jul 7, 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