Walker Mill, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walker Mill, 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 Walker Mill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 63°F | Mostly Cloudy | 9 mph N | 10% |
| Saturday | 79°F | Partly Sunny | 9 mph NE | 10% |
| Saturday Night | 67°F | Mostly Cloudy | 5 to 9 mph SE | 10% |
| Sunday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 14 mph S | 38% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 64% |
| Monday | 76°F | Chance Rain Showers | 7 to 12 mph N | 42% |
| Monday Night | 63°F | Chance Rain Showers | 8 to 13 mph NE | 52% |
| Tuesday | 68°F | Rain Showers Likely | 16 mph NE | 58% |
| Tuesday Night | 58°F | Rain Showers Likely | 15 mph NE | 58% |
| Wednesday | 64°F | Chance Rain Showers | 16 mph NE | 51% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 49% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 14 mph NE | 44% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 7 to 13 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov) for Walker Mill (38.876, -76.885). Updated through the day.
Growing snapshot for Walker Mill
Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
224 days
Hardiness zone
7b
More local growing data for Walker Mill: 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 Walker Mill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.