Garrett Park, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garrett Park, a town in Montgomery County, Maryland.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind around 7 mph.
7-day forecast for Garrett Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 7 mph S | 2% |
| Tonight | 52°F | Mostly Clear then Patchy Fog | 5 mph S | 2% |
| Wednesday | 74°F | Patchy Fog then Mostly Sunny | 2 to 9 mph S | 2% |
| Wednesday Night | 61°F | Mostly Cloudy then Chance Light Rain | 7 mph S | 39% |
| Thursday | 75°F | Chance Light Rain | 9 mph S | 47% |
| Thursday Night | 61°F | Chance Light Rain | 2 to 6 mph SW | 52% |
| Friday | 70°F | Rain Likely | 5 mph NW | 67% |
| Friday Night | 50°F | Light Rain Likely then Mostly Cloudy | 2 to 6 mph NW | 67% |
| Saturday | 64°F | Mostly Sunny | 7 to 12 mph NW | 9% |
| Saturday Night | 42°F | Partly Cloudy | 5 to 8 mph NW | 9% |
| Sunday | 61°F | Mostly Sunny | 5 to 8 mph NW | 6% |
| Sunday Night | 41°F | Partly Cloudy then Slight Chance Light Rain | 6 mph W | 15% |
| Monday | 61°F | Slight Chance Light Rain then Mostly Sunny | 6 to 12 mph NW | 15% |
| Monday Night | 40°F | Mostly Clear | 2 to 7 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Garrett Park (39.036, -77.094). Updated through the day.
Growing snapshot for Garrett Park
Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
More local growing data for Garrett Park: nearby ZIP 20896 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Rockville 1 Ne, Md (5.4 mi from Garrett Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.