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Leesburg, NJ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Leesburg, a community in Cumberland County, New Jersey.

This Afternoon
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 10 mph.

7-day forecast for Leesburg

WhenTempForecastWindPrecip
This Afternoon 76°F Partly Sunny 10 mph E 5%
Tonight 61°F Partly Cloudy 5 to 10 mph E 5%
Sunday 78°F Mostly Sunny then Slight Chance Rain Showers 5 to 10 mph SE 15%
Sunday Night 61°F Showers And Thunderstorms Likely 0 to 10 mph W 73%
Monday 73°F Rain Showers Likely 5 to 10 mph NE 68%
Monday Night 55°F Chance Rain Showers 5 to 10 mph NE 32%
Tuesday 69°F Chance Rain Showers 15 mph NE 41%
Tuesday Night 54°F Chance Rain Showers 15 mph NE 38%
Wednesday 67°F Chance Rain Showers 15 to 20 mph NE 34%
Wednesday Night 55°F Chance Rain Showers 15 mph NE 37%
Thursday 67°F Chance Rain Showers 15 mph NE 38%
Thursday Night 53°F Chance Rain Showers 10 to 15 mph N 38%
Friday 69°F Chance Rain Showers 10 to 15 mph N 32%
Friday Night 52°F Chance Rain Showers 5 to 10 mph N 25%

Forecast source: National Weather Service (api.weather.gov) for Leesburg (39.263, -74.982). Updated through the day.

Growing snapshot for Leesburg

Last spring frost
Apr 24
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
7b

More local growing data for Leesburg: nearby ZIP 08327 weather · frost dates · planting calendar · New Jersey frost dates

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Climate data from the nearest NOAA station, Belleplain Stn Forest, Nj (5.7 mi from Leesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.