Harman US

Baltimore, MD Weather & Growing Conditions

Tonight
70°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 70. Southeast wind 8 to 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 70°F Mostly Cloudy then Slight Chance Rain Showers 8 to 13 mph SE 17%
Sunday 83°F Chance Rain Showers 12 mph S 40%
Sunday Night 66°F Showers And Thunderstorms Likely 6 to 10 mph W 60%
Monday 73°F Chance Rain Showers 13 mph NE 30%
Monday Night 63°F Chance Rain Showers 14 mph NE 44%
Tuesday 68°F Chance Rain Showers 16 mph NE 54%
Tuesday Night 60°F Chance Rain Showers 16 mph NE 54%
Wednesday 67°F Chance Rain Showers 18 mph NE 44%
Wednesday Night 60°F Chance Rain Showers 18 mph NE 33%
Thursday 67°F Chance Rain Showers 17 mph NE 30%
Thursday Night 58°F Chance Rain Showers 13 to 16 mph N 31%
Friday 68°F Chance Rain Showers 16 mph N 31%
Friday Night 58°F Slight Chance Rain Showers 10 to 15 mph N 24%
Saturday 71°F Slight Chance Rain Showers 14 mph N 16%

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

Growing snapshot for Baltimore, MD

Last spring frost
Mar 24
First fall frost
Nov 21
Growing season
244 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Md Sci Ctr Baltimore, Md (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.