Joppatowne, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Joppatowne, a community in Harford County, Maryland.
Today
78°F
Partly Sunny
Partly sunny, with a high near 78. Northeast wind around 6 mph.
7-day forecast for Joppatowne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny | 6 mph NE | 6% |
| Tonight | 65°F | Cloudy then Slight Chance Rain Showers | 5 to 8 mph SE | 23% |
| Sunday | 81°F | Rain Showers Likely | 7 to 12 mph S | 55% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 10 mph W | 70% |
| Monday | 71°F | Chance Rain Showers | 10 mph N | 30% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 10 mph NE | 39% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Tuesday Night | 54°F | Chance Rain Showers | 14 mph NE | 47% |
| Wednesday | 64°F | Chance Rain Showers | 14 to 17 mph NE | 37% |
| Wednesday Night | 54°F | Chance Rain Showers | 13 to 16 mph NE | 38% |
| Thursday | 64°F | Chance Rain Showers | 15 mph NE | 38% |
| Thursday Night | 53°F | Chance Rain Showers | 8 to 14 mph N | 33% |
| Friday | 68°F | Chance Rain Showers | 12 mph N | 28% |
| Friday Night | 53°F | Slight Chance Rain Showers | 7 to 10 mph N | 18% |
Forecast source: National Weather Service (api.weather.gov) for Joppatowne (39.417, -76.352). Updated through the day.
Growing snapshot for Joppatowne
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
201 days
Hardiness zone
7b
More local growing data for Joppatowne: nearby ZIP 21085 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
Havre de Grace
Jarrettsville
Perryman
Pylesville
Riverside
Climate data from the nearest NOAA station, Aberdeen Phillips Fld, Md (10.2 mi from Joppatowne). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.