Coatesville, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Coatesville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Rain50%0.06″75°63°—
- TuesdayJun 16Partly Cloudy——76°56°+1°
- WednesdayJun 17Light Showers30%0.07″81°60°+5°
- ThursdayJun 18Light Drizzle45%—88°66°+7°
- FridayJun 19Drizzle30%0.02″76°60°-12°
- SaturdayJun 20Overcast——76°56°0°
- SundayJun 21Light Drizzle13%0.04″65°60°-11°
AQI 43 (Good), driven by PM2.5. AQI down 32 over the last 6 hours — air quality is improving sharply. PM2.5 at 6.4 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
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 32 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 6.4 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- 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
- 5:34 AM
- Moonset
- 8:47 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Coatesville at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Coatesville
- Mon75°63°50%
- Tue76°56°1%
- Wed81°60°30%
- Thu88°66°45%
- Fri76°60°30%
- Sat76°56°5%
- Sun65°60°13%
- Mon74°60°30%
- Tue75°54°33%
- Wed80°56°19%
- Thu83°64°13%
- Fri81°64°39%
- Sat80°58°27%
- Sun82°62°35%
- Mon95°68°29%
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 Coatesville
- 19320