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Marcus Hook, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Marcus Hook, a borough in Delaware County, Pennsylvania.

This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. North wind around 10 mph.

7-day forecast for Marcus Hook

WhenTempForecastWindPrecip
This Afternoon 84°F Mostly Sunny 10 mph N 0%
Tonight 63°F Partly Cloudy 5 to 10 mph N 0%
Saturday 75°F Mostly Sunny 5 to 10 mph NE 2%
Saturday Night 64°F Mostly Cloudy then Patchy Fog 5 to 10 mph E 12%
Sunday 78°F Rain Showers Likely 5 to 10 mph SE 73%
Sunday Night 64°F Showers And Thunderstorms 5 to 10 mph W 82%
Monday 71°F Chance Rain Showers 10 mph NE 46%
Monday Night 61°F Chance Rain Showers 5 to 10 mph NE 33%
Tuesday 65°F Chance Rain Showers 10 mph NE 35%
Tuesday Night 57°F Chance Rain Showers 10 to 15 mph NE 35%
Wednesday 64°F Chance Rain Showers 10 to 15 mph NE 36%
Wednesday Night 57°F Chance Showers And Thunderstorms 10 mph NE 37%
Thursday 64°F Chance Showers And Thunderstorms 10 mph NE 36%
Thursday Night 56°F Chance Showers And Thunderstorms 5 to 10 mph NE 31%

Forecast source: National Weather Service (api.weather.gov) for Marcus Hook (39.813, -75.416). Updated through the day.

Growing snapshot for Marcus Hook

Last spring frost
Mar 30
First fall frost
Nov 16
Growing season
230 days
Hardiness zone
7b

More local growing data for Marcus Hook: nearby ZIP 19061 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Marcus Hook, Pa (0.3 mi from Marcus Hook). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.