Pottstown, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Pottstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain49%0.29″98°73°—
- SundayJul 5Heavy Rain64%1.7″92°73°-6°
- MondayJul 6Thunderstorm94%—81°65°-11°
- TuesdayJul 7Drizzle84%0.04″73°65°-8°
- WednesdayJul 8Overcast30%—73°63°0°
- ThursdayJul 9Light Drizzle12%—88°65°+15°
- FridayJul 10Light Drizzle42%0.05″89°71°+1°
AQI 75 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 5 hours of recent rain — PM2.5 down to 11.4 µg/m³, PM10 to 11.7 µg/m³.
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 36. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 11.4 µg/m³, PM10 to 11.7 µg/m³.
- PM2.5/PM10
- 0.97
- Wind
- breezy
- Recent rain
- 5h in last 6h
- Pattern
- washed out
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
- 11:20 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Pottstown at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 19464, 19465
16-Day Forecast — Pottstown
- Sat98°73°49%
- Sun92°73°64%
- Mon81°65°94%
- Tue73°65°84%
- Wed73°63°30%
- Thu88°65°12%
- Fri89°71°42%
- Sat84°62°30%
- Sun79°62°26%
- Mon83°58°20%
- Tue86°59°18%
- Wed82°63°38%
- Thu85°62°32%
- Fri89°60°30%
- Sat87°67°41%
- Sun89°71°41%
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 — Pottstown
SPC has placed Pottstown 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 Pottstown
- 19464