Greenbelt, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbelt, a city in Prince George's County, Maryland.
This Afternoon
85°F
Partly Sunny
Partly sunny, with a high near 85. North wind around 10 mph.
7-day forecast for Greenbelt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 62°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 79°F | Partly Sunny | 9 mph NE | 10% |
| Saturday Night | 66°F | Mostly Cloudy | 8 mph SE | 10% |
| Sunday | 83°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 to 13 mph S | 42% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 5 to 9 mph W | 66% |
| Monday | 75°F | Chance Rain Showers | 7 to 12 mph NE | 42% |
| Monday Night | 61°F | Chance Rain Showers | 7 to 10 mph NE | 51% |
| Tuesday | 67°F | Rain Showers Likely | 10 to 14 mph NE | 56% |
| Tuesday Night | 57°F | Rain Showers Likely | 10 to 14 mph NE | 56% |
| Wednesday | 63°F | Chance Rain Showers | 14 mph NE | 50% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms | 8 to 14 mph NE | 50% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 12 mph NE | 44% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 34% |
Forecast source: National Weather Service (api.weather.gov) for Greenbelt (38.995, -76.885). Updated through the day.
Growing snapshot for Greenbelt
Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
202 days
Hardiness zone
7b
More local growing data for Greenbelt: nearby ZIP 20770 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Beltsville, Md (3.1 mi from Greenbelt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.