Lanham, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lanham, a community in Prince George's County, Maryland.
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. Northeast wind 5 to 8 mph.
7-day forecast for Lanham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 5 to 8 mph NE | 2% |
| Tonight | 71°F | Cloudy then Slight Chance Showers And Thunderstorms | 2 to 7 mph E | 51% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 66% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph S | 53% |
| Thursday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph S | 15% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 18% |
| Friday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 36% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 49% |
| Saturday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 54% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 54% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 21% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 93°F | Mostly Sunny | 3 to 7 mph W | 11% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
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 Aug 4, 2026.