| National Weather Service Forecast for:
Monmouth Junction NJ Issued by: National Weather Service Philadelphia, PA |
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| Updated: 6:21 pm EST Feb 1, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 8. Wind chill values as low as -2. Northwest wind around 5 mph. |
| Monday |
Sunny, with a high near 31. Wind chill values as low as -1. Northwest wind 5 to 15 mph. |
| Monday Night |
Mostly clear, with a low around 7. West wind around 5 mph becoming calm in the evening. |
| Tuesday |
Mostly sunny, with a high near 33. Calm wind becoming west around 5 mph in the afternoon. |
| Tuesday Night |
A slight chance of snow after 1am. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 20%. |
| Wednesday |
Partly sunny, with a high near 30. |
| Wednesday Night |
Mostly clear, with a low around 7. |
| Thursday |
Sunny, with a high near 29. |
| Thursday Night |
Mostly clear, with a low around 6. |
| Friday |
A chance of snow after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 40%. |
| Friday Night |
Mostly cloudy, with a low around 10. |
| Saturday |
Mostly sunny, with a high near 19. |
| Saturday Night |
Mostly clear, with a low around 2. |
| Sunday |
Mostly sunny, with a high near 19. |
Forecast from NOAA-NWS for Monmouth Junction NJ.