Chesterbrook, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chesterbrook weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain48%0.25″99°75°—
- SundayJul 5Heavy Rain48%1.3″91°73°-8°
- MondayJul 6Light Showers91%0.22″79°72°-12°
- TuesdayJul 7Light Showers75%—78°67°-1°
- WednesdayJul 8Light Drizzle18%—78°64°0°
- ThursdayJul 9Overcast16%—88°65°+10°
- FridayJul 10Light Drizzle39%—86°70°-2°
AQI 95 (Moderate), driven by Ozone. AQI up 36 in the last 6 hours — air quality is degrading. Ozone at AQI 100 — 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 100
- UV peak
- 3.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 100
PM × Wind × Precip
PM2.5 at 7.8 µg/m³, PM10 at 8.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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
- 10:55 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chesterbrook at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Chesterbrook
- Sat99°75°48%
- Sun91°73°48%
- Mon79°72°91%
- Tue78°67°75%
- Wed78°64°18%
- Thu88°65°16%
- Fri86°70°39%
- Sat86°70°30%
- Sun80°66°28%
- Mon79°66°22%
- Tue86°65°21%
- Wed88°62°41%
- Thu88°66°41%
- Fri92°73°35%
- Sat91°69°29%
- Sun89°73°39%
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 — Chesterbrook
SPC has placed Chesterbrook in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Chesterbrook
- 19087