PRINCETON, NJ 08540 Weather Forecast & Current Conditions
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  08540 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

TRENTON, NJ
Current Weather
10:53 PM EDT JUL 8, 2025
Overcast
73°F
Feels Like: 73°F
Dewpoint: 72°F
Rel. Hum.: 97%
Visibility: 9 miles
Wind: Calm
Pressure: 30.01 inches
Last 72 hours

Local Area Snow Depth

New Jersey Current Weather

New Jersey MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  08540 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

PRINCETON, NJ 08540
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
Mostly cloudy. A chance of showers and thunderstorms late this evening, then a slight chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall late this evening. Lows in the lower 70s. Southwest winds around 5 mph late this evening, becoming light and variable. Chance of rain 50 percent.
WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 90. West winds around 5 mph. Chance of rain 30 percent.
WEDNESDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the lower 70s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
THURSDAY
Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Humid with lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 70 percent.
FRIDAY
Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 50 percent.
SATURDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows around 70. Chance of rain 40 percent.
SUNDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 50 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
MONDAY
Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 40 percent.
MONDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 40 percent.

  08540 WEATHER SATELLITE LOOPS
Visible Weather Satellite
PRINCETON, NJ 08540
Infrared Weather Satellite
PRINCETON, NJ 08540
  08540 WEATHER RADAR LOOP
NEXRAD Weather Radar
PRINCETON, NJ 08540
 MOS COMPUTER WEATHER FORECAST

TRENTON, NJ 3 hourly weather forecast
weather forecast created  8:00 AM EDT  7/ 8/2025
Tuesday
8 JUL 2025		 PRINCETON, NJ 08540 weather forecast Day 1, 12 hours 2 PM 90° 96° Clear 73%
RAIN
***		 0% Thunder
( 57% severe)		 W   9 54% 71°
High 91° PRINCETON, NJ 08540 weather forecast Day 1, 15 hours 5 PM 88° 95° Partly Cloudy W   8 59% 72°
Increasing Clouds

Rain Likely

 PRINCETON, NJ 08540 weather forecast Day 1, 18 hours 8 PM 80° 83° Mostly Cloudy 59%
RAIN
***		 0% Thunder
( 33% severe)		 W   5 74% 71°
PRINCETON, NJ 08540 weather forecast Day 1, 21 hours 11 PM 75° 75° Mostly Cloudy SW   3 90% 72°
Wednesday
9 JUL 2025		 PRINCETON, NJ 08540 weather forecast Day 2, 0 hours 2 AM 74° 74° Mostly Cloudy 11%
RAIN
.01–.1 in		 0% Thunder
( 7% severe)		 WSW   2 93% 72°
Low 71° PRINCETON, NJ 08540 weather forecast Day 2, 3 hours 5 AM 72° 72° Mostly Cloudy WSW   2 97% 71°
High 89° PRINCETON, NJ 08540 weather forecast Day 2, 6 hours 8 AM 75° 75° Mostly Cloudy 11%
RAIN
.25–.5 in		 0% Thunder
( 7% severe)		 WSW   3 90% 72°

Partly Cloudy

Chance of Rain

 PRINCETON, NJ 08540 weather forecast Day 2, 9 hours 11 AM 81° 85° Partly Cloudy W   3 74% 72°
PRINCETON, NJ 08540 weather forecast Day 2, 12 hours 2 PM 85° 90° Partly Cloudy 23%
RAIN
***		 0% Thunder
( 29% severe)		 WSW   6 63% 71°
PRINCETON, NJ 08540 weather forecast Day 2, 15 hours 5 PM 85° 89° Partly Cloudy W   6 59% 69°
PRINCETON, NJ 08540 weather forecast Day 2, 18 hours 8 PM 81° 84° Partly Cloudy 26%
RAIN
***		 0% Thunder
( 26% severe)		 W   3 67% 69°
PRINCETON, NJ 08540 weather forecast Day 2, 21 hours 11 PM 76° 77° Mostly Cloudy SW   2 85% 71°
Thursday
10 JUL 2025		 PRINCETON, NJ 08540 weather forecast Day 3, 0 hours 2 AM 74° 74° Mostly Cloudy 33%
RAIN
1–2 in		 0% Thunder
( 9% severe)		 SW   2 90% 71°
Low 72° PRINCETON, NJ 08540 weather forecast Day 3, 3 hours 5 AM 73° 73° Mostly Cloudy SSW   2 93% 71°
High 84° PRINCETON, NJ 08540 weather forecast Day 3, 6 hours 8 AM 74° 74° Mostly Cloudy 40%
RAIN
***		 0% Thunder
( 19% severe)		 SSW   2 90% 71°

Mostly Cloudy

Rain Likely

 PRINCETON, NJ 08540 weather forecast Day 3, 9 hours 11 AM 78° 80° Mostly Cloudy SSW   3 82% 72°
PRINCETON, NJ 08540 weather forecast Day 3, 15 hours 2 PM 81° 85° Mostly Cloudy 55%
RAIN
***		 0% Thunder
( 45% severe)		 SSW   6 74% 72°
PRINCETON, NJ 08540 weather forecast Day 3, 18 hours 5 PM 80° 84° Mostly Cloudy SSW   6 77% 72°
PRINCETON, NJ 08540 weather forecast Day 3, 21 hours 8 PM 78° 80° Mostly Cloudy     S   3 79% 71°

TRENTON, NJ extended weather forecast
Friday
11 JUL 2025		 Saturday
12 JUL 2025		 Sunday
13 JUL 2025		 Monday
14 JUL 2025		 Tuesday
15 JUL 2025
Low 72° Low 72° Low 71° Low 71° Low 70°
High 90° High 90° High 90° High 89° High 91°
PRINCETON, NJ 08540 weather forecast Day 4 PRINCETON, NJ 08540 weather forecast Day 5 PRINCETON, NJ 08540 weather forecast Day 6 PRINCETON, NJ 08540 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
70% Rain		 Partly Cloudy
54% Rain		 Mostly Cloudy
52% Rain		 Partly Cloudy
24% Rain		 Partly Cloudy
26% Rain
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