Harman US

Delta, MD Weather & Growing Conditions

Today
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 67 in the afternoon. South wind 6 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 73°F Mostly Sunny 6 to 10 mph S 1%
Tonight 59°F Mostly Cloudy then Slight Chance Rain Showers 8 mph S 21%
Thursday 71°F Rain Showers Likely 7 to 10 mph S 60%
Thursday Night 60°F Rain Showers Likely 2 to 7 mph SW 65%
Friday 69°F Light Rain Likely 3 mph N 65%
Friday Night 49°F Chance Light Rain then Partly Cloudy 2 to 7 mph NW 43%
Saturday 63°F Mostly Sunny 8 to 13 mph NW 8%
Saturday Night 42°F Partly Cloudy 12 mph NW 8%
Sunday 60°F Mostly Sunny 7 to 12 mph NW 3%
Sunday Night 40°F Partly Cloudy 6 to 9 mph W 4%
Monday 59°F Sunny 9 to 15 mph W 4%
Monday Night 39°F Mostly Clear 5 to 9 mph W 4%
Tuesday 63°F Sunny 6 to 12 mph W 1%
Tuesday Night 40°F Mostly Clear 7 mph W 0%

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

Growing snapshot for Delta, MD

Last spring frost
Apr 3
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Conowingo Dam, Md (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.