Havre de Grace, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Havre de Grace, a city in Harford County, Maryland.
Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 6 mph.
7-day forecast for Havre de Grace
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny | 6 mph E | 4% |
| Tonight | 63°F | Cloudy then Slight Chance Rain Showers | 7 mph SE | 21% |
| Sunday | 82°F | Chance Rain Showers | 6 to 12 mph S | 44% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 3 to 9 mph W | 71% |
| Monday | 72°F | Chance Rain Showers | 9 mph NE | 29% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 10 mph NE | 38% |
| Tuesday | 66°F | Chance Rain Showers | 13 mph NE | 46% |
| Tuesday Night | 53°F | Chance Rain Showers | 14 mph NE | 45% |
| Wednesday | 65°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 54°F | Chance Rain Showers | 15 mph NE | 35% |
| Thursday | 65°F | Chance Rain Showers | 14 mph NE | 35% |
| Thursday Night | 52°F | Chance Rain Showers | 8 to 14 mph N | 32% |
| Friday | 69°F | Chance Rain Showers | 10 mph N | 27% |
| Friday Night | 53°F | Slight Chance Rain Showers | 8 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov) for Havre de Grace (39.547, -76.114). Updated through the day.
Growing snapshot for Havre de Grace
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
201 days
Hardiness zone
7b
More local growing data for Havre de Grace: nearby ZIP 21078 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Aberdeen
Aberdeen Proving Ground
Abingdon
Bel Air
Bel Air North
Bel Air South
Darlington
Edgewood
Fallston
Jarrettsville
Joppatowne
Perryman
Pylesville
Riverside
Climate data from the nearest NOAA station, Aberdeen Phillips Fld, Md (6.2 mi from Havre de Grace). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.