Princeton, NJ Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Princeton, NJ in one place.
Sunny, with a high near 80. West wind 5 to 10 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: Aug 23, 2026 5:55 PM EDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Princeton, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:55 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Princeton
Friday looks like the warmest upcoming period in Princeton at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 5:55 PM EDT
- Coverage
- 6 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 clear, with a low around 59. West wind 0 to 10 mph.
Sunny, with a high near 81. West wind around 5 mph.
Mostly clear, with a low around 60.
Sunny, with a high near 85.
Partly cloudy, with a low around 65.
A chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 84.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Sunny
|
80°F |
5 to 10 mph
W
|
|
Monday Night
Aug 24
|
Mostly Clear
|
59°F |
0 to 10 mph
W
|
|
Tuesday
Aug 25
|
Sunny
|
81°F |
5 mph
W
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
60°F |
0 to 5 mph
W
|
|
Wednesday
Aug 26
|
Sunny
|
85°F |
0 to 5 mph
W
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
65°F |
0 mph
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
85°F |
0 to 5 mph
S
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
0 to 5 mph
SE
|
|
Friday
Aug 28
|
Chance Rain Showers
|
86°F |
0 to 5 mph
SW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms
|
66°F |
0 mph
|
|
Saturday
Aug 29
|
Slight Chance Rain Showers
|
84°F |
0 to 5 mph
NW
|
|
Saturday Night
Aug 29
|
Slight Chance Rain Showers then Partly Cloudy
|
63°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Princeton.
