Riverside, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riverside, a community in Harford County, Maryland.
This Afternoon
85°F
Mostly Sunny
Mostly sunny, with a high near 85. North wind around 10 mph.
7-day forecast for Riverside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Sunny | 10 mph N | 2% |
| Tonight | 59°F | Partly Cloudy | 9 mph N | 2% |
| Saturday | 79°F | Mostly Sunny | 10 mph NE | 5% |
| Saturday Night | 64°F | Mostly Cloudy then Isolated Rain Showers | 8 mph SE | 20% |
| Sunday | 81°F | Rain Showers Likely | 7 to 15 mph S | 56% |
| Sunday Night | 64°F | Showers And Thunderstorms Likely | 7 to 12 mph W | 71% |
| Monday | 74°F | Chance Rain Showers | 12 mph NE | 42% |
| Monday Night | 59°F | Chance Rain Showers | 6 to 9 mph NE | 42% |
| Tuesday | 67°F | Chance Rain Showers | 10 to 14 mph NE | 47% |
| Tuesday Night | 55°F | Chance Rain Showers | 9 to 13 mph NE | 47% |
| Wednesday | 65°F | Chance Rain Showers | 12 to 15 mph NE | 42% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 42% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 13 mph NE | 37% |
| Thursday Night | 54°F | Chance Showers And Thunderstorms | 5 to 9 mph NE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Riverside (39.481, -76.242). Updated through the day.
Growing snapshot for Riverside
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
201 days
Hardiness zone
7b
More local growing data for Riverside: nearby ZIP 21017 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Aberdeen
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Abingdon
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Bel Air North
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Darlington
Edgewood
Fallston
Havre de Grace
Jarrettsville
Joppatowne
Perryman
Pylesville
Climate data from the nearest NOAA station, Aberdeen Phillips Fld, Md (3.5 mi from Riverside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.