Capitol Heights, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Capitol Heights, a town in Prince George's County, Maryland.
This Afternoon
85°F
Partly Sunny
Partly sunny, with a high near 85. North wind around 8 mph.
7-day forecast for Capitol Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Partly Sunny | 8 mph N | 2% |
| Tonight | 63°F | Mostly Cloudy | 8 mph NE | 2% |
| Saturday | 79°F | Partly Sunny | 8 mph NE | 6% |
| Saturday Night | 67°F | Mostly Cloudy | 5 to 8 mph SE | 11% |
| Sunday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 37% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 5 to 8 mph W | 62% |
| Monday | 78°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 44% |
| Monday Night | 64°F | Rain Showers Likely | 8 to 12 mph NE | 59% |
| Tuesday | 70°F | Showers And Thunderstorms Likely | 12 to 16 mph NE | 59% |
| Tuesday Night | 59°F | Rain Showers Likely | 16 mph NE | 58% |
| Wednesday | 64°F | Chance Rain Showers | 16 mph NE | 53% |
| Wednesday Night | 58°F | Chance Rain Showers | 12 to 15 mph NE | 49% |
| Thursday | 69°F | Chance Rain Showers | 13 mph NE | 47% |
| Thursday Night | 57°F | Chance Rain Showers | 6 to 12 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov) for Capitol Heights (38.877, -76.908). Updated through the day.
Growing snapshot for Capitol Heights
Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
224 days
Hardiness zone
7b
More local growing data for Capitol Heights: nearby ZIP 20743 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Natl Arboretum Dc, Md (4.6 mi from Capitol Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.