Chester Hill, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Chester Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain67%0.07″87°65°—
- SundayJul 5Overcast40%—84°65°-3°
- MondayJul 6Heavy Showers80%0.32″78°66°-6°
- TuesdayJul 7Heavy Drizzle71%0.01″71°63°-7°
- WednesdayJul 8Drizzle18%0.06″72°63°+1°
- ThursdayJul 9Light Drizzle15%0.04″84°63°+12°
- FridayJul 10Light Drizzle61%0.01″74°62°-10°
AQI 70 (Moderate), driven by Ozone. AQI up 24 in the last 6 hours — air quality is degrading. Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 43. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 11:31 PM
- Moonset
- 11:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chester Hill at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Chester Hill
- Sat87°65°67%
- Sun84°65°40%
- Mon78°66°80%
- Tue71°63°71%
- Wed72°63°18%
- Thu84°63°15%
- Fri74°62°61%
- Sat82°56°31%
- Sun79°55°20%
- Mon80°50°27%
- Tue82°57°22%
- Wed81°59°35%
- Thu81°54°39%
- Fri83°55°35%
- Sat86°64°51%
- Sun81°66°39%
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 — Chester Hill
SPC has placed Chester Hill in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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 Chester Hill
- 16866