Lanham, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lanham, a community 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 Lanham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 62°F | Partly Cloudy | 9 mph N | 10% |
| Saturday | 79°F | Partly Sunny | 10 mph NE | 10% |
| Saturday Night | 67°F | Mostly Cloudy | 8 mph SE | 10% |
| Sunday | 83°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 to 13 mph S | 40% |
| 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 | 62°F | Chance Rain Showers | 8 to 12 mph NE | 51% |
| Tuesday | 68°F | Rain Showers Likely | 12 to 15 mph NE | 56% |
| Tuesday Night | 57°F | Rain Showers Likely | 12 to 15 mph NE | 56% |
| Wednesday | 64°F | Chance Rain Showers | 14 mph NE | 50% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 50% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 13 mph NE | 44% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov) for Lanham (38.962, -76.839). Updated through the day.
Growing snapshot for Lanham
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7b
More local growing data for Lanham: nearby ZIP 20706 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Glenn Dale Bell Stn, Md (2.5 mi from Lanham). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.