Overlea, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Overlea, a community in Baltimore County, Maryland.
Today
86°F
Partly Sunny
Partly sunny, with a high near 86. Northeast wind around 7 mph.
7-day forecast for Overlea
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Partly Sunny | 7 mph NE | 0% |
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 6 mph E | 29% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 3 to 8 mph SE | 66% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 50% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph S | 31% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 3 to 9 mph S | 34% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 44% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 49% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 48% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 48% |
| Sunday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 18% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 18% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 17% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov) for Overlea (39.364, -76.518). Updated through the day.
Growing snapshot for Overlea
Last spring frost
Mar 24
First fall frost
Nov 21
Growing season
244 days
Hardiness zone
8a
More local growing data for Overlea: nearby ZIP 21237 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Md Sci Ctr Baltimore, Md (7.4 mi from Overlea). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.