Weather Tomorrow for ZIP 08540
Princeton, NJ · View full Princeton forecast
Flood WatchUntil Sep 13, 9:00 AM
Flood Watch issued September 12 at 2:36PM EDT until September 13 at 12:00PM EDT by NWS Mount Holly NJ
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Sunday, September 13, 2026
Precip chance
83%
Wind
0-5 mph
Humidity
90%
Feels like
79–70°F
Rain forecast
Rain likely starts around 6 AM and may continue until 1 PM. Peak chance: 83% around 10 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 68°F | Slight Chance Showers And Thunderstorms | 18% | 5 mph SE | ||
| 5 AM☽ | 69°F | Chance Showers And Thunderstorms | 31% | 5 mph SE | ||
| 6 AM☽ | 68°F | Chance Showers And Thunderstorms | 43% | 5 mph SE | ||
| 7 AM☽ | 69°F | Showers And Thunderstorms Likely | 56% | 5 mph SE | ||
| 8 AM☽ | 69°F | Showers And Thunderstorms Likely | 65% | 5 mph SE | ||
| 9 AM☽ | 69°F | Patchy Fog | 74% | 5 mph SE | ||
| 10 AM | 68°F | Patchy Fog | 83% | 0 mph | ||
| 11 AM | 68°F | Patchy Fog | 80% | 0 mph | ||
| 12 PM | 68°F | Patchy Fog | 78% | 0 mph | ||
| 1 PM | 70°F | Patchy Fog | 58% | 0 mph | ||
| 2 PM | 72°F | Chance Showers And Thunderstorms | 38% | 0 mph | ||
| 3 PM | 73°F | Slight Chance Rain Showers | 19% | 0 mph | ||
| 4 PM | 75°F | Mostly Cloudy | 14% | 5 mph W | ||
| 5 PM | 77°F | Partly Sunny | 10% | 5 mph NW | ||
| 6 PM | 79°F | Mostly Sunny | 5% | 5 mph NW | ||
| 7 PM | 79°F | Mostly Sunny | 4% | 5 mph NW | ||
| 8 PM | 80°F | Mostly Sunny | 3% | 5 mph NW | ||
| 9 PM | 81°F | Mostly Sunny | 2% | 5 mph NW | ||
| 10 PM☽ | 79°F | Mostly Clear | 2% | 0 mph | ||
| 11 PM☽ | 77°F | Partly Cloudy | 0% | 0 mph | ||
| 12 AM☽ | 75°F | Mostly Clear | 0% | 0 mph | ||
| 1 AM☽ | 72°F | Mostly Clear | 0% | 0 mph | ||
| 2 AM☽ | 71°F | Mostly Clear | 0% | 0 mph | ||
| 3 AM☽ | 70°F | Mostly Clear | 0% | 0 mph | ||
Precipitation Timeline
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Umbrella
- • Sunscreen
Conditions
High: 81°F
Low: 68°F
Wind: 0-5 mph
Rain: 83%
Rain expected around 6 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)