Harman US

Allen, MD Weather & Growing Conditions

Tonight
51°F
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 51. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear then Patchy Fog 5 mph S 2%
Wednesday 76°F Areas Of Fog then Sunny 2 to 9 mph S 3%
Wednesday Night 60°F Mostly Cloudy 7 mph S 3%
Thursday 76°F Mostly Cloudy 7 to 13 mph S 13%
Thursday Night 64°F Showers And Thunderstorms Likely 9 mph S 71%
Friday 72°F Showers And Thunderstorms 6 to 9 mph S 89%
Friday Night 55°F Showers And Thunderstorms 5 mph W 89%
Saturday 66°F Chance Rain Showers then Mostly Sunny 5 to 10 mph NW 31%
Saturday Night 44°F Partly Cloudy 6 mph NW 11%
Sunday 61°F Mostly Sunny 5 to 8 mph NW 4%
Sunday Night 43°F Partly Cloudy then Slight Chance Rain Showers 6 mph W 17%
Monday 61°F Slight Chance Rain Showers 6 to 14 mph W 19%
Monday Night 42°F Slight Chance Rain Showers 5 to 8 mph W 19%
Tuesday 62°F Sunny 8 to 13 mph W 14%

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

Growing snapshot for Allen, MD

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

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

Climate data from the nearest NOAA station, Salisbury, Md (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.