Pottstown, Pennsylvania Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
Pottstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Heavy Rain95%0.43″76°67°—
- TuesdayJul 7Overcast19%—79°65°+3°
- WednesdayJul 8Overcast10%—79°62°0°
- ThursdayJul 9T-storm w/ Hail62%0.01″81°68°+2°
- FridayJul 10Heavy Drizzle38%0.03″82°68°+1°
- SaturdayJul 11Drizzle22%0.22″78°66°-4°
- SundayJul 12Light Drizzle15%0.08″78°63°0°
AQI 44 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 — 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 39 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 39
- UV peak
- 3.3 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- 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).
When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:43 PM
- Moonset
- 12:19 PM
- In sign
- ♈︎ Aries
Queen Anne's lace lines the roads
Pottstown at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP codes: 19464, 19465
16-Day Forecast — Pottstown
- Mon76°67°95%
- Tue79°65°19%
- Wed79°62°10%
- Thu81°68°62%
- Fri82°68°38%
- Sat78°66°22%
- Sun78°63°15%
- Mon80°60°14%
- Tue85°63°11%
- Wed81°70°14%
- Thu79°63°17%
- Fri74°59°32%
- Sat80°59°38%
- Sun81°60°40%
- Mon83°62°29%
- Tue86°64°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Pottstown
SPC includes Pottstown in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Pottstown
- 19464