Andover, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a borough in Sussex County, New Jersey.
Today
83°F
Sunny
Sunny, with a high near 83. Wind around 0 mph.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 mph | 0% |
| Tonight | 62°F | Partly Cloudy | 0 mph | 1% |
| Wednesday | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 0 mph | 41% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Thursday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 72% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 72% |
| Friday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 54% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Saturday | 85°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 55% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 55% |
| Sunday | 86°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 mph | 12% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Andover (40.986, -74.744). Updated through the day.
Growing snapshot for Andover
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b
More local growing data for Andover: nearby ZIP 07821 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Branchville
Byram Center
Crandon Lakes
Franklin
Hamburg
Highland Lakes
Hopatcong
Lake Mohawk
Layton
Newton
Ogdensburg
Ross Corner
Stanhope
Sussex
Vernon Center
Vernon Valley
Climate data from the nearest NOAA station, Andover Aeroflex Ap, Nj (3.1 mi from Andover). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.