Tall Timbers, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tall Timbers, a community in St. Mary's County, Maryland.
Today
82°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 between 4pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. East wind 8 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Tall Timbers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 to 12 mph E | 30% |
| Tonight | 76°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph SE | 71% |
| Wednesday | 84°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 57% |
| Wednesday Night | 77°F | Partly Cloudy | 10 mph S | 12% |
| Thursday | 86°F | Sunny | 9 to 13 mph S | 10% |
| Thursday Night | 79°F | Mostly Clear | 13 mph S | 10% |
| Friday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 mph SW | 17% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 33% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 mph SW | 37% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 37% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph SW | 23% |
| Sunday Night | 77°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph S | 23% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 15% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 16% |
Forecast source: National Weather Service (api.weather.gov) for Tall Timbers (38.170, -76.539). Updated through the day.
Growing snapshot for Tall Timbers
Last spring frost
Mar 30
First fall frost
Nov 14
Growing season
229 days
Hardiness zone
8a
More local growing data for Tall Timbers: nearby ZIP 20690 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
California
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Leonardtown
Lexington Park
Mechanicsville
Piney Point
St. George Island
Wildewood
Climate data from the nearest NOAA station, St Inigoes Webster Nolf, Md (5.9 mi from Tall Timbers). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.