Port Royal, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Port Royal weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Showers51%0.71″86°71°—
- MondayJul 6Overcast41%—81°69°-5°
- TuesdayJul 7Light Rain60%0.12″72°65°-9°
- WednesdayJul 8Light Drizzle33%0.01″76°63°+4°
- ThursdayJul 9Overcast39%—93°68°+17°
- FridayJul 10Light Drizzle50%0.04″73°67°-20°
- SaturdayJul 11Overcast31%—82°64°+9°
AQI 67 (Moderate), driven by Ozone. AQI up 30 in the last 6 hours — air quality is degrading. Ozone at AQI 55 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 55 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 55
- UV peak
- 1.7 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 55
PM × Wind × Precip
PM2.5 at 10.0 µg/m³, PM10 at 10.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 1h 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:27 PM
- Moonset
- 11:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Port Royal at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17082
16-Day Forecast — Port Royal
- Sun86°71°51%
- Mon81°69°41%
- Tue72°65°60%
- Wed76°63°33%
- Thu93°68°39%
- Fri73°67°50%
- Sat82°64°31%
- Sun69°65°18%
- Mon86°64°18%
- Tue64°60°14%
- Wed71°61°15%
- Thu79°58°30%
- Fri85°59°28%
- Sat84°62°29%
- Sun81°64°26%
- Mon72°66°25%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
SPC Convective Outlook
Storm Prediction Center — Port Royal
SPC has placed Port Royal in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Port Royal
- 17082