Allamuchy, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allamuchy, a community in Warren County, New Jersey.
Today
84°F
Sunny
Sunny, with a high near 84. Wind around 0 mph.
7-day forecast for Allamuchy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 mph | 0% |
| Tonight | 62°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 0 mph | 45% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 0 mph | 56% |
| Thursday | 87°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 74% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 74% |
| Friday | 87°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 55% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 mph | 55% |
| Saturday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 55% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 55% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 mph | 12% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Allamuchy (40.931, -74.812). Updated through the day.
Growing snapshot for Allamuchy
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b
More local growing data for Allamuchy: nearby ZIP 07820 weather · frost dates · planting calendar · New Jersey frost dates
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Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (6.4 mi from Allamuchy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.