Weather forecast for: Allendale NJ
Last Update: 9:10 pm EDT Oct 29, 2026
Overnight: Increasing clouds, with a low around 52. Light southwest wind.
Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Northwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night: Mostly clear, with a low around 41. Northwest wind 6 to 11 mph becoming light after midnight.
Saturday: Sunny, with a high near 60. North wind 3 to 6 mph.
Saturday Night: Partly cloudy, with a low around 37. Calm wind.
Sunday: Partly sunny, with a high near 63.
Sunday Night: Partly cloudy, with a low around 42.
Monday: Mostly sunny, with a high near 68.
Monday Night: Mostly cloudy, with a low around 47.
Tuesday: Mostly sunny, with a high near 69.
Tuesday Night: Mostly cloudy, with a low around 49.
Wednesday: Partly sunny, with a high near 68.
Wednesday Night: Mostly cloudy, with a low around 52.
Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 69.