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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Monmouth Executive Airport (KBLM)

Lat: 40.18°NLon: 74.13°WElev: 157ft.

Partly Cloudy

72°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 30.08 in (1018.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Sep 7:56 pm EDT
Extended Forecast for

Leonardo NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Breezy, with a north wind 10 to 20 mph.

    Low: 63 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind 10 to 15 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 10 mph.

    Low: 64 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Showers, mainly after 2pm. The rain could be heavy at times. Patchy fog before 8am. High near 73. South wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Chance
    Showers and
    Patchy Fog
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 11pm. Low around 63. South wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 30%.

    Low: 60 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Breezy, with a north wind 10 to 20 mph.
Saturday
Mostly sunny, with a high near 68. Northeast wind 10 to 15 mph.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Southeast wind around 10 mph.
Sunday
Showers, mainly after 2pm. The rain could be heavy at times. Patchy fog before 8am. High near 73. South wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog after 11pm. Low around 63. South wind 5 to 15 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Windy. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Breezy. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Leonardo NJ
 40.43°N 74.04°W (Elev. 0 ft)
Last Update:
4:10 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 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