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 63. Northwest 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: Apr 9, 2026 4:18 PM EDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Princeton, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:18 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Princeton
Wednesday looks like the warmest upcoming period in Princeton at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 9, 2026 4:18 PM 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 clear, with a low around 39.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 48.
Mostly cloudy, with a high near 78.
Mostly cloudy, with a low around 60.
Mostly sunny, with a high near 85.
Mostly cloudy, with a low around 64.
Partly sunny, with a high near 86.
A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
63°F |
5 to 10 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
39°F |
0 to 5 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
64°F |
0 to 5 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
48°F |
5 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
78°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
60°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
85°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
64°F |
5 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny
|
86°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Rain Showers
|
61°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Princeton.