Jessup, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jessup, a community in Howard County, Maryland.
This Afternoon
85°F
Partly Sunny
Partly sunny, with a high near 85. North wind around 10 mph.
7-day forecast for Jessup
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Partly Sunny | 10 mph N | 10% |
| Tonight | 61°F | Partly Cloudy | 9 mph N | 10% |
| Saturday | 79°F | Partly Sunny | 10 mph NE | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Isolated Rain Showers | 9 mph SE | 20% |
| Sunday | 83°F | Chance Rain Showers | 7 to 13 mph S | 47% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 70% |
| Monday | 74°F | Chance Rain Showers | 8 to 12 mph NE | 42% |
| Monday Night | 60°F | Chance Rain Showers | 8 to 12 mph NE | 49% |
| Tuesday | 66°F | Chance Rain Showers | 14 mph NE | 54% |
| Tuesday Night | 56°F | Chance Rain Showers | 14 mph NE | 54% |
| Wednesday | 63°F | Chance Rain Showers | 14 mph NE | 49% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 49% |
| Thursday | 65°F | Chance Showers And Thunderstorms | 13 mph NE | 43% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 35% |
Forecast source: National Weather Service (api.weather.gov) for Jessup (39.149, -76.776). Updated through the day.
Growing snapshot for Jessup
Last spring frost
Apr 10
First fall frost
Oct 31
Growing season
204 days
Hardiness zone
7b
More local growing data for Jessup: nearby ZIP 20794 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Baltimore Wash Intl Ap, Md (6.1 mi from Jessup). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.