Randallstown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Randallstown, a community in Baltimore County, Maryland.
This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. East wind around 6 mph.
7-day forecast for Randallstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Partly Sunny | 6 mph E | 6% |
| Tonight | 64°F | Slight Chance Rain Showers | 8 mph SE | 21% |
| Sunday | 82°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 8 to 12 mph S | 60% |
| Sunday Night | 60°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 12 mph NW | 67% |
| Monday | 70°F | Chance Rain Showers | 8 to 12 mph N | 34% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 12 mph NE | 42% |
| Tuesday | 63°F | Rain Showers Likely | 14 mph NE | 56% |
| Tuesday Night | 52°F | Chance Rain Showers | 14 mph NE | 53% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph NE | 41% |
| Wednesday Night | 52°F | Chance Rain Showers | 14 mph NE | 42% |
| Thursday | 62°F | Chance Rain Showers | 14 mph NE | 42% |
| Thursday Night | 51°F | Chance Rain Showers | 7 to 12 mph N | 35% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 24% |
| Friday Night | 51°F | Slight Chance Rain Showers | 6 to 9 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Randallstown (39.372, -76.802). Updated through the day.
Growing snapshot for Randallstown
Last spring frost
Apr 2
First fall frost
Nov 7
Growing season
220 days
Hardiness zone
7a
More local growing data for Randallstown: nearby ZIP 21133 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Cylburn, Md (8.6 mi from Randallstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.