Glenn Dale, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenn Dale, a community in Prince George's County, Maryland.
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. South wind around 7 mph.
7-day forecast for Glenn Dale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 7 mph S | 2% |
| Tonight | 52°F | Mostly Clear then Patchy Fog | 6 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 3 to 9 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Slight Chance Light Rain | 7 mph S | 23% |
| Thursday | 75°F | Chance Light Rain | 7 to 10 mph S | 44% |
| Thursday Night | 63°F | Light Rain Likely | 3 to 7 mph SW | 58% |
| Friday | 70°F | Rain | 6 mph NW | 75% |
| Friday Night | 52°F | Light Rain | 2 to 7 mph NW | 75% |
| Saturday | 65°F | Mostly Sunny | 7 to 10 mph NW | 9% |
| Saturday Night | 42°F | Partly Cloudy | 8 mph NW | 9% |
| Sunday | 62°F | Mostly Sunny | 8 mph W | 7% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 7 mph W | 16% |
| Monday | 61°F | Slight Chance Light Rain then Mostly Sunny | 8 to 12 mph NW | 16% |
| Monday Night | 40°F | Mostly Clear | 5 to 8 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Glenn Dale (38.984, -76.800). Updated through the day.
Growing snapshot for Glenn Dale
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7b
More local growing data for Glenn Dale: nearby ZIP 20769 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Glenn Dale Bell Stn, Md (1.6 mi from Glenn Dale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.