Harman US

Allen, MD Weather & Growing Conditions

This Afternoon
80°F
Partly Sunny
Partly sunny, with a high near 80. East wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 80°F Partly Sunny 9 mph E 9%
Tonight 66°F Partly Cloudy 5 to 8 mph E 7%
Sunday 83°F Mostly Sunny 5 to 10 mph S 6%
Sunday Night 68°F Slight Chance Showers And Thunderstorms 3 to 9 mph SW 24%
Monday 78°F Chance Showers And Thunderstorms 5 to 13 mph N 36%
Monday Night 65°F Chance Rain Showers 12 mph NE 36%
Tuesday 73°F Chance Rain Showers 10 to 18 mph NE 41%
Tuesday Night 62°F Chance Rain Showers 14 to 17 mph NE 41%
Wednesday 70°F Chance Rain Showers 16 to 20 mph NE 40%
Wednesday Night 61°F Chance Rain Showers 15 to 20 mph NE 40%
Thursday 69°F Chance Rain Showers 20 mph NE 39%
Thursday Night 57°F Chance Rain Showers 14 to 20 mph N 39%
Friday 69°F Chance Rain Showers 16 mph N 33%
Friday Night 56°F Chance Rain Showers 8 to 15 mph N 30%

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 Sep 19, 2026.