



Briefing for Flash Flood and Severe Storm Risks through Tonight
Potentially significant flash flooding is possible this afternoon into tonight. Some isolated severe thunderstorms are also possible. See this briefing for details on these hazards. Read More >
Hazardous Weather Conditions
Current conditions at
Caldwell, Essex County Airport (KCDW)
Lat: 40.88°NLon: 74.28°WElev: 171ft.
Overcast
68°F
20°C
Humidity | 93% |
Wind Speed | Vrbl 6 mph |
Barometer | 30.02 in (1016.9 mb) |
Dewpoint | 66°F (19°C) |
Visibility | 10.00 mi |
Last update | 31 Jul 6:53 pm EDT |
Extended Forecast for
Riverdale NJ
Flood Watch July 31, 07:44pm until August 1, 12:00am
NOW until 12:00am Fri
Flood Watch
Tonight
Low: 62 °F
Heavy Rain
then Chance
ShowersFriday
High: 76 °F
Chance
Showers then
Mostly CloudyFriday Night
Low: 59 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 88 °F
Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 62. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 9am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 76. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 59. North wind around 5 mph.
Saturday
Sunny, with a high near 81. North wind around 5 mph.
Saturday Night
Mostly clear, with a low around 58. Calm wind.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Riverdale NJ
40.99°N 74.31°W (Elev. 236 ft)
40.99°N 74.31°W (Elev. 236 ft)
6:51 pm EDT Jul 31, 2025
7pm EDT Jul 31, 2025-6pm EDT Aug 7, 2025