Princeton Junction, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Princeton Junction, NJ in one place.
Mostly sunny, with a high near 73. Northwest wind 0 to 10 mph.
Local Weather Overview
This forecast page for Princeton Junction, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 21, 2026 10:17 AM EDT.
The active forecast window currently covers Apr 23 to Apr 27, 2026 for Princeton Junction, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 10:17 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Princeton Junction
Thursday looks like the warmest upcoming period in Princeton Junction at 73 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 10:17 AM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 48.
Partly sunny, with a high near 67.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 64.
A chance of rain showers after 8pm. Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
73°F |
0 to 10 mph
NW
|
|
Thursday Night
Apr 23
|
Mostly Cloudy
|
48°F |
0 to 10 mph
N
|
|
Friday
Apr 24
|
Partly Sunny
|
67°F |
5 to 10 mph
N
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
45°F |
5 to 10 mph
SE
|
|
Saturday
Apr 25
|
Rain Showers Likely
|
54°F |
5 to 10 mph
E
|
|
Saturday Night
Apr 25
|
Rain Showers Likely
|
43°F |
5 to 10 mph
E
|
|
Sunday
Apr 26
|
Chance Rain Showers
|
58°F |
5 to 10 mph
E
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
42°F |
5 mph
NE
|
|
Monday
Apr 27
|
Slight Chance Rain Showers then Mostly Sunny
|
64°F |
5 to 10 mph
E
|
|
Monday Night
Apr 27
|
Chance Rain Showers
|
44°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Princeton Junction.
