Harman US

Delta, MD Weather & Growing Conditions

This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 77°F Partly Sunny 6 mph E 4%
Tonight 61°F Cloudy then Chance Rain Showers 8 mph SE 29%
Sunday 79°F Rain Showers Likely 8 to 13 mph S 58%
Sunday Night 58°F Showers And Thunderstorms Likely 3 to 12 mph W 74%
Monday 70°F Chance Rain Showers 8 to 12 mph NE 31%
Monday Night 52°F Chance Rain Showers 6 to 12 mph NE 41%
Tuesday 63°F Chance Rain Showers 14 mph NE 46%
Tuesday Night 50°F Chance Rain Showers 14 mph NE 46%
Wednesday 62°F Chance Rain Showers 16 mph NE 38%
Wednesday Night 51°F Chance Rain Showers 15 mph NE 37%
Thursday 63°F Chance Rain Showers 14 mph NE 37%
Thursday Night 50°F Chance Rain Showers 8 to 13 mph N 32%
Friday 66°F Chance Rain Showers 13 mph N 27%
Friday Night 50°F Slight Chance Rain Showers 7 to 10 mph N 21%

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 Sep 19, 2026.