New Carrollton, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Carrollton, a city in Prince George's County, Maryland.
This Afternoon
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind around 7 mph.
7-day forecast for New Carrollton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Mostly Sunny | 7 mph E | 2% |
| Tonight | 71°F | Cloudy then Slight Chance Showers And Thunderstorms | 1 to 7 mph E | 52% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 66% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 53% |
| Thursday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 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 | 7 mph SW | 36% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 49% |
| Saturday | 91°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph SW | 55% |
| Saturday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph SW | 55% |
| 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 | 2 to 7 mph W | 11% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for New Carrollton (38.966, -76.878). Updated through the day.
Growing snapshot for New Carrollton
Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7b
More local growing data for New Carrollton: nearby ZIP 20784 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Glenn Dale Bell Stn, Md (4.9 mi from New Carrollton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.