Princeton, NJ Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Princeton, NJ in one place.
Partly cloudy, with a low around 70. West wind around 5 mph.
Local Weather Overview
This forecast page for Princeton, 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: Jul 10, 2026 7:22 AM EDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Princeton, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 7:22 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Princeton
Wednesday looks like the warmest upcoming period in Princeton at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 7:22 AM EDT
- Coverage
- 7 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
Patchy fog before 7am, then a slight chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between noon and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 64. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 86.
Mostly clear, with a low around 63.
Sunny, with a high near 87.
Mostly clear, with a low around 65.
Sunny, with a high near 91.
Mostly clear, with a low around 71.
Sunny, with a high near 94.
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 70.
Mostly sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Partly Cloudy
|
70°F |
5 mph
W
|
|
Friday
Jul 10
|
Patchy Fog then Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
W
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
W
|
|
Saturday
Jul 11
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
NE
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
0 to 5 mph
NE
|
|
Sunday
Jul 12
|
Sunny
|
86°F |
0 to 5 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
63°F |
0 to 5 mph
SE
|
|
Monday
Jul 13
|
Sunny
|
87°F |
0 to 5 mph
SW
|
|
Monday Night
Jul 13
|
Mostly Clear
|
65°F |
5 mph
SW
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
5 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
5 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
94°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Slight Chance Rain Showers
|
70°F |
0 to 10 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny
|
93°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Princeton.
