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Mercer County, NJ
 Details for Mercer County, NJ Flash Flood Warning
Flash Flood Warning FLASH FLOOD WARNING - Mercer County, NJ

NWS Northeast Regional Radar WU North East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 12-Nov-2026 6:50pm - next update at 6:55pm  
Summary / Temperature Wind Rain Outlook
Night time, Dry Night time, Dry
Currently: 50.5, Max: 65.8, Min: 47.1 50.5°F
Colder 0.9°F than last hour.

Cool

Feels like: 51°F

24-hr difference
-2.4°FColder 2.4°F than yesterday at this time.
  Today Yesterday
High: 65.8°F
1:02pm 		67.1°F
2:56pm
Low: 47.1°F
12:02am 		37.8°F
7:11am
Calm E
0
Gust:
 0 mph
0 Bft - Calm
Today: 11.5 mph 3:45pm
Gust Month: 18.3 mph November 9
Rain Today: 0.65 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 1.36 in
Season Total: 29.2 in
4 rain days in November.
Friday

Friday: Light Rain
Light Rain
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 48.6°F Decreased 0.9°F since last hour.
Barometer: 29.412 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 6:42am
Sunset: 4:45pm
Moonrise: 10:05am
Moonset: 6:49pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
12%
Illuminated
UV Index Solar Radiation
   0.0    None
High: -1.0 @ 1:01pm
0 W/m2 (0 %)
High: 432 @  12:50pm
 NWS Weather Forecast  - Outlook: Tonight & Friday
Tonight

Tonight: Rain Showers Likely then Light Rain
Rain Showers Likely then Light Rain

Lo 36 °F		 NWS forecast: Rain showers likely before 1am, then rain. Mostly cloudy, with a low around 36. Northeast wind 0 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
 
Friday

Friday: Light Rain
Light Rain

Hi 46 °F		 NWS forecast: Rain. Cloudy, with a high near 46. North wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.