Lafayette, NJ Weather Forecast
Local 7-day forecast
Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lafayette, NJ in one place.
Rain showers and patchy fog before 2pm, then patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 67. Southeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Lafayette, 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: Sep 18, 2026 7:51 PM EDT.
The active forecast window currently covers Sep 20 to Sep 24, 2026 for Lafayette, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 20 to Sep 24, 2026
- Latest sync
- Sep 18, 2026 7:51 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Lafayette
Sunday looks like the warmest upcoming period in Lafayette at 67 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph NE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 18, 2026 7:51 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
Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 55. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
A chance of rain showers. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
A chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Sep 20
|
Rain Showers
|
67°F |
5 mph
SE
|
|
Sunday Night
Sep 20
|
Patchy Fog
|
55°F |
0 to 5 mph
W
|
|
Monday
Sep 21
|
Chance Rain Showers
|
64°F |
5 to 10 mph
NE
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
49°F |
0 to 5 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
61°F |
5 mph
NE
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
47°F |
5 mph
NE
|
|
Wednesday
Sep 23
|
Chance Rain Showers
|
61°F |
5 to 10 mph
NE
|
|
Wednesday Night
Sep 23
|
Chance Rain Showers
|
47°F |
5 mph
NE
|
|
Thursday
Sep 24
|
Chance Showers And Thunderstorms
|
61°F |
5 mph
NE
|
|
Thursday Night
Sep 24
|
Chance Showers And Thunderstorms
|
48°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lafayette.
