Lawrenceville, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lawrenceville, NJ in one place.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Heat index values as high as 105. Southwest wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lawrenceville, 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: Jun 30, 2026 8:41 AM EDT.
The active forecast window currently covers Jul 1 to Jul 6, 2026 for Lawrenceville, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 1 to Jul 6, 2026
- Latest sync
- Jun 30, 2026 8:41 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Lawrenceville
Friday looks like the warmest upcoming period in Lawrenceville at 104 degrees F.
Monday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday at about 10 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 30, 2026 8:41 AM 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
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. Heat index values as high as 104. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 103. West wind around 5 mph.
Clear, with a low around 79.
Sunny, with a high near 104.
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 101. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 1
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
10 mph
SW
|
|
Wednesday Night
Jul 1
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
76°F |
5 to 10 mph
SW
|
|
Thursday
Jul 2
|
Sunny
|
103°F |
5 mph
W
|
|
Thursday Night
Jul 2
|
Clear
|
79°F |
0 to 5 mph
W
|
|
Friday
Jul 3
|
Sunny
|
104°F |
0 to 10 mph
W
|
|
Friday Night
Jul 3
|
Chance Showers And Thunderstorms
|
77°F |
0 to 10 mph
W
|
|
Independence Day
Jul 4
|
Mostly Sunny then Chance Showers And Thunderstorms
|
101°F |
0 to 10 mph
W
|
|
Saturday Night
Jul 4
|
Chance Showers And Thunderstorms
|
73°F |
0 to 5 mph
NW
|
|
Sunday
Jul 5
|
Mostly Sunny then Chance Showers And Thunderstorms
|
95°F |
0 to 5 mph
NW
|
|
Sunday Night
Jul 5
|
Chance Showers And Thunderstorms
|
72°F |
0 to 5 mph
E
|
|
Monday
Jul 6
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
E
|
|
Monday Night
Jul 6
|
Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lawrenceville.