Overlea, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Overlea, a community in Baltimore County, Maryland.
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. Southeast wind around 7 mph.
7-day forecast for Overlea
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 7 mph SE | 2% |
| Tonight | 53°F | Mostly Clear then Patchy Fog | 5 mph S | 3% |
| Wednesday | 73°F | Patchy Fog then Mostly Sunny | 1 to 9 mph S | 2% |
| Wednesday Night | 61°F | Mostly Cloudy then Slight Chance Light Rain | 8 mph S | 24% |
| Thursday | 74°F | Light Rain Likely | 6 to 9 mph S | 56% |
| Thursday Night | 62°F | Light Rain Likely | 2 to 7 mph S | 63% |
| Friday | 71°F | Rain Likely | 5 mph NW | 71% |
| Friday Night | 52°F | Light Rain Likely | 6 mph NW | 71% |
| Saturday | 66°F | Mostly Sunny | 7 to 10 mph NW | 11% |
| Saturday Night | 45°F | Partly Cloudy | 9 mph NW | 11% |
| Sunday | 62°F | Mostly Sunny | 8 mph NW | 5% |
| Sunday Night | 44°F | Partly Cloudy then Slight Chance Light Rain | 7 mph W | 16% |
| Monday | 62°F | Slight Chance Light Rain | 8 to 13 mph W | 16% |
| Monday Night | 43°F | Mostly Clear | 5 to 9 mph W | 10% |
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 Nov 3, 2026.