Harman US

Tall Timbers, MD Weather & Growing Conditions

Today
84°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Northeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Partly Sunny then Slight Chance Showers And Thunderstorms 8 mph NE 31%
Tonight 72°F Showers And Thunderstorms Likely 2 to 7 mph SE 71%
Wednesday 86°F Patchy Fog then Slight Chance Showers And Thunderstorms 3 to 9 mph S 57%
Wednesday Night 74°F Partly Cloudy 8 mph S 12%
Thursday 90°F Sunny 6 to 10 mph S 10%
Thursday Night 76°F Mostly Clear 9 mph S 10%
Friday 91°F Mostly Sunny then Slight Chance Showers And Thunderstorms 9 mph SW 17%
Friday Night 75°F Chance Showers And Thunderstorms 8 mph SW 34%
Saturday 90°F Mostly Sunny then Chance Showers And Thunderstorms 8 mph SW 36%
Saturday Night 73°F Chance Showers And Thunderstorms 7 mph SW 36%
Sunday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph SW 23%
Sunday Night 74°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 mph SW 23%
Monday 91°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph SW 15%
Monday Night 75°F Slight Chance Showers And Thunderstorms 5 mph SW 17%

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

Growing snapshot for Tall Timbers, MD

Last spring frost
Mar 30
First fall frost
Nov 14
Growing season
229 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, St Inigoes Webster Nolf, Md (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.