Marcus Hook, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Marcus Hook weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Heavy Rain85%1.6″76°63°—
- TuesdayJun 16Partly Cloudy——79°56°+3°
- WednesdayJun 17Thunderstorm29%0.01″84°62°+5°
- ThursdayJun 18Light Drizzle46%—92°68°+8°
- FridayJun 19Drizzle41%0.06″83°68°-9°
- SaturdayJun 20Mostly Clear——78°61°-5°
- SundayJun 21Overcast——76°63°-2°
AQI 33 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 37 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 37
- UV peak
- 7.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 4.5 µg/m³, PM10 at 4.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:33 AM
- Moonset
- 8:45 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Marcus Hook at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Marcus Hook
- Mon76°63°85%
- Tue79°56°0%
- Wed84°62°29%
- Thu92°68°46%
- Fri83°68°41%
- Sat78°61°9%
- Sun76°63°6%
- Mon66°60°32%
- Tue79°58°32%
- Wed82°60°16%
- Thu83°60°11%
- Fri84°58°27%
- Sat91°63°25%
- Sun91°69°22%
- Mon99°72°32%
- Tue94°73°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Marcus Hook
- 19061