NWS Forecast for Grenloch NJ

National Weather Service Forecast for: Grenloch NJ
Issued by: National Weather Service Philadelphia, PA

Updated: 4:12 pm EST Dec 22, 2025

Tonight Mostly Cloudy then Chance Snow	Tuesday Rain/Snow then Chance Rain	Tuesday Night Gradual Clearing	Wednesday Sunny	Wednesday Night Mostly Cloudy	Christmas Day Slight Chance Rain/Snow	Thursday Night Mostly Cloudy	Friday Chance Rain/Snow then Rain/Snow	Friday Night Rain/Snow
Lo 29 °F	Hi 44 °F	Lo 36 °F	Hi 47 °F	Lo 29 °F	Hi 44 °F	Lo 32 °F	Hi 38 °F	Lo 33 °F

Tonight	A chance of snow, mainly after 3am. Mostly cloudy, with a low around 29. Southwest wind around 5 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday	Rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm. High near 44. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night	Cloudy during the early evening, then gradual clearing, with a low around 36. West wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday	Sunny, with a high near 47. Northwest wind 5 to 15 mph.
Wednesday Night	Mostly cloudy, with a low around 29. Calm wind.
Christmas Day	A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.
Thursday Night	Mostly cloudy, with a low around 32.
Friday	Rain and snow, mainly after 1pm. High near 38. Chance of precipitation is 80%.
Friday Night	Rain and snow before 1am, then a chance of rain. Low around 33. Chance of precipitation is 80%.
Saturday	A chance of rain before 1pm. Cloudy, with a high near 42. Chance of precipitation is 30%.
Saturday Night	A chance of rain. Cloudy, with a low around 35. Chance of precipitation is 40%.
Sunday	Rain likely. Cloudy, with a high near 49. Chance of precipitation is 60%.
Sunday Night	A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Monday	Sunny, with a high near 34.

Forecast from NOAA-NWS for Grenloch NJ.