Largo, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Largo, 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 Largo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 5 to 8 mph NE | 3% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph E | 53% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 64% |
| Wednesday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 mph S | 51% |
| Thursday | 91°F | Mostly Sunny | 6 to 10 mph S | 14% |
| Thursday Night | 75°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 15% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 35% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 47% |
| 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 | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 21% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 21% |
| Monday | 92°F | Mostly Sunny | 3 to 7 mph W | 11% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 18% |
Forecast source: National Weather Service (api.weather.gov) for Largo (38.880, -76.829). Updated through the day.
Growing snapshot for Largo
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7b
More local growing data for Largo: nearby ZIP 20721 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Accokeek
Adelphi
Andrews AFB
Aquasco
Baden
Beltsville
Berwyn Heights
Bladensburg
Bowie
Brentwood
Brock Hall
Brown Station
Camp Springs
Capitol Heights
Cedar Heights
Cedarville
Cheverly
Chillum
Clinton
College Park
Colmar Manor
Cottage City
Croom
District Heights
Eagle Harbor
East Riverdale
Edmonston
Fairmount Heights
Fairwood
Forest Heights
Climate data from the nearest NOAA station, Glenn Dale Bell Stn, Md (3.8 mi from Largo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.