Randallstown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Randallstown, a community in Baltimore County, Maryland.
Tonight
66°F
Cloudy
Cloudy, with a low around 66. Southeast wind around 9 mph.
7-day forecast for Randallstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Cloudy | 9 mph SE | 14% |
| Sunday | 80°F | Chance Rain Showers then Chance Showers And Thunderstorms | 8 to 12 mph S | 55% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 9 mph NW | 56% |
| Monday | 72°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph NE | 24% |
| Monday Night | 57°F | Chance Rain Showers | 10 mph NE | 49% |
| Tuesday | 65°F | Rain Showers Likely | 10 to 14 mph NE | 59% |
| Tuesday Night | 53°F | Rain Showers Likely | 13 mph NE | 59% |
| Wednesday | 63°F | Chance Rain Showers | 14 mph NE | 46% |
| Wednesday Night | 54°F | Chance Rain Showers | 14 mph NE | 31% |
| Thursday | 63°F | Chance Rain Showers | 13 mph NE | 25% |
| Thursday Night | 51°F | Chance Rain Showers | 7 to 12 mph N | 27% |
| Friday | 66°F | Chance Rain Showers | 13 mph N | 28% |
| Friday Night | 52°F | Slight Chance Rain Showers | 7 to 12 mph N | 23% |
| Saturday | 70°F | Slight Chance Rain Showers | 13 mph N | 15% |
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 20, 2026.