Rockhill, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Rockhill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle37%0.01″97°72°—
- SundayJul 5Light Drizzle43%0.01″92°73°-5°
- MondayJul 6Showers86%—83°69°-9°
- TuesdayJul 7Showers86%—84°67°+1°
- WednesdayJul 8Drizzle19%—77°64°-7°
- ThursdayJul 9Light Drizzle14%—90°63°+13°
- FridayJul 10Light Drizzle53%0.02″83°68°-7°
AQI 81 (Moderate), driven by Ozone. AQI up 28 in the last 6 hours — air quality is degrading. Ozone at AQI 88 — peak already passed at 1 PM under clear 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 88 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 88
- UV peak
- 2.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 88
PM × Wind × Precip
PM2.5 at 6.5 µg/m³, PM10 at 6.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:05 PM
- Moonset
- 10:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Rockhill at a glance
- Today vs. normal: 26°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Rockhill
- Sat97°72°37%
- Sun92°73°43%
- Mon83°69°86%
- Tue84°67°86%
- Wed77°64°19%
- Thu90°63°14%
- Fri83°68°53%
- Sat84°66°33%
- Sun81°61°20%
- Mon78°61°21%
- Tue83°58°18%
- Wed87°58°39%
- Thu88°60°42%
- Fri84°63°39%
- Sat90°68°39%
- Sun84°70°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Rockhill
SPC has placed Rockhill in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
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 Rockhill
- 17249
- 17243