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.
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. East wind 0 to 5 mph.
7-day forecast for Union Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy | 0 to 5 mph SE | 2% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 45% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph S | 24% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 37% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 mph W | 42% |
| Saturday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph W | 33% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 5 mph W | 33% |
| Sunday | 90°F | Mostly Sunny | 5 mph W | 13% |
| Sunday Night | 73°F | Mostly Clear | 5 mph SW | 13% |
| Monday | 93°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Monday Night | 73°F | Partly Cloudy | 5 to 10 mph W | 13% |
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 Aug 4, 2026.