Harman US

New Windsor, MD Weather & Growing Conditions

Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 6 mph S 1%
Wednesday 73°F Mostly Sunny 5 to 10 mph S 1%
Wednesday Night 61°F Mostly Cloudy then Rain Showers Likely 9 mph S 56%
Thursday 73°F Rain Showers Likely 6 to 10 mph S 61%
Thursday Night 60°F Chance Rain Showers 1 to 5 mph SW 55%
Friday 68°F Chance Light Rain 0 to 3 mph N 55%
Friday Night 48°F Chance Light Rain then Partly Cloudy 3 mph NW 28%
Saturday 62°F Mostly Sunny 3 to 12 mph NW 9%
Saturday Night 39°F Partly Cloudy 5 to 9 mph W 9%
Sunday 59°F Mostly Sunny 6 to 10 mph NW 3%
Sunday Night 38°F Mostly Clear 6 mph W 5%
Monday 59°F Sunny 6 to 14 mph W 5%
Monday Night 37°F Mostly Clear 2 to 7 mph W 4%
Tuesday 62°F Sunny 3 to 10 mph W 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for New Windsor, MD

Last spring frost
Apr 22
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
7a

Explore more for New Windsor, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Emmitsburg 2 Se, Md (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.