Middle River, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middle River, a community in Baltimore County, Maryland.
This Afternoon
67°F
Sunny
Sunny, with a high near 67. South wind around 6 mph.
7-day forecast for Middle River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Sunny | 6 mph S | 2% |
| Tonight | 53°F | Mostly Clear then Patchy Fog | 0 to 5 mph S | 3% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 0 to 10 mph S | 3% |
| Wednesday Night | 61°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 8 mph S | 20% |
| Thursday | 73°F | Chance Light Rain | 5 to 10 mph S | 53% |
| Thursday Night | 62°F | Light Rain Likely | 0 to 7 mph S | 65% |
| Friday | 70°F | Rain Likely | 0 to 5 mph NW | 74% |
| Friday Night | 51°F | Light Rain Likely | 1 to 5 mph NW | 74% |
| Saturday | 66°F | Mostly Sunny | 6 to 9 mph NW | 13% |
| Saturday Night | 43°F | Partly Cloudy | 5 to 8 mph NW | 13% |
| Sunday | 62°F | Mostly Sunny | 8 mph NW | 7% |
| Sunday Night | 42°F | Slight Chance Light Rain | 7 mph W | 22% |
| Monday | 62°F | Slight Chance Light Rain | 7 to 14 mph W | 22% |
| Monday Night | 40°F | Slight Chance Light Rain | 5 to 8 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Middle River (39.340, -76.429). Updated through the day.
Growing snapshot for Middle River
Last spring frost
Mar 24
First fall frost
Nov 21
Growing season
244 days
Hardiness zone
8a
More local growing data for Middle River: nearby ZIP 21220 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Md Sci Ctr Baltimore, Md (12.4 mi from Middle River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.