Union Beach, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union Beach, a borough in Monmouth County, New Jersey.
Tonight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. Southeast wind around 5 mph.
7-day forecast for Union Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy | 5 mph SE | 4% |
| Sunday | 75°F | Rain Showers Likely | 5 to 10 mph S | 73% |
| Sunday Night | 60°F | Rain Showers | 5 to 10 mph W | 75% |
| Monday | 70°F | Chance Rain Showers | 5 to 15 mph NE | 31% |
| Monday Night | 58°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Tuesday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 15 mph NE | 32% |
| Wednesday | 67°F | Slight Chance Rain Showers | 15 to 20 mph NE | 21% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 15 to 20 mph NE | 24% |
| Thursday | 66°F | Chance Rain Showers | 15 to 20 mph NE | 33% |
| Thursday Night | 55°F | Chance Rain Showers | 15 mph NE | 38% |
| Friday | 67°F | Chance Rain Showers | 15 mph N | 39% |
| Friday Night | 56°F | Chance Rain Showers | 15 mph N | 38% |
| Saturday | 70°F | Chance Rain Showers | 10 to 15 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Union Beach (40.447, -74.170). Updated through the day.
Growing snapshot for Union Beach
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
190 days
Hardiness zone
7b
More local growing data for Union Beach: nearby ZIP 07730 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Allenhurst
Allenwood
Asbury Park
Atlantic Highlands
Avon-by-the-Sea
Belford
Belmar
Bradley Beach
Brielle
Cliffwood Beach
Cream Ridge
Deal
East Freehold
Eatontown
Englishtown
Fair Haven
Fairview
Farmingdale
Freehold
Highlands
Interlaken
Keansburg
Keyport
Lake Como
Laurence Harbor
Leonardo
Lincroft
Little Silver
Loch Arbour
Long Branch
Climate data from the nearest NOAA station, Freehold-Marlboro, Nj (8.7 mi from Union Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.