Port Monmouth, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Monmouth, a community in Monmouth County, New Jersey.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. Southeast wind around 10 mph.
7-day forecast for Port Monmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 10 mph SE | 1% |
| Tonight | 63°F | Mostly Cloudy | 10 mph SE | 3% |
| Sunday | 74°F | Rain Showers | 10 mph SE | 75% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 15 mph W | 81% |
| Monday | 69°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Monday Night | 58°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday | 66°F | Chance Rain Showers | 15 mph NE | 32% |
| Tuesday Night | 58°F | Chance Rain Showers | 15 to 25 mph NE | 31% |
| Wednesday | 64°F | Chance Rain Showers | 25 mph NE | 26% |
| Wednesday Night | 58°F | Chance Rain Showers | 25 mph NE | 34% |
| Thursday | 64°F | Chance Rain Showers | 20 to 25 mph NE | 34% |
| Thursday Night | 56°F | Chance Rain Showers | 20 mph NE | 36% |
| Friday | 65°F | Chance Rain Showers | 15 to 20 mph N | 35% |
| Friday Night | 57°F | Chance Rain Showers | 15 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov) for Port Monmouth (40.434, -74.101). Updated through the day.
Growing snapshot for Port Monmouth
Last spring frost
Apr 9
First fall frost
Nov 3
Growing season
208 days
Hardiness zone
7b
More local growing data for Port Monmouth: nearby ZIP 07758 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Long Branch-Oakhurst, Nj (10.8 mi from Port Monmouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.