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
85°F
Partly Sunny
Partly sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Havre de Grace
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 mph E | 17% |
| Wednesday | 85°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph SE | 64% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 5 mph S | 41% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph S | 23% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 36% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph SW | 37% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 47% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 39% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 15% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 15% |
| Monday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 17% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
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
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Darlington
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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 Aug 4, 2026.