Quakertown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Quakertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast42%—96°71°—
- SundayJul 5Heavy Rain92%0.93″91°70°-5°
- MondayJul 6Thunderstorm92%0.25″73°62°-18°
- TuesdayJul 7Light Drizzle71%0.04″70°57°-3°
- WednesdayJul 8Mostly Clear12%—82°55°+12°
- ThursdayJul 9Light Drizzle32%—87°60°+5°
- FridayJul 10Light Drizzle40%—88°66°+1°
AQI 55 (Moderate), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 15.0 µg/m³ (AQI 62) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 42
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 15.0 µg/m³ (AQI 62) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Quakertown at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 18951
16-Day Forecast — Quakertown
- Sat96°71°42%
- Sun91°70°92%
- Mon73°62°92%
- Tue70°57°71%
- Wed82°55°12%
- Thu87°60°32%
- Fri88°66°40%
- Sat82°70°30%
- Sun70°65°30%
- Mon69°64°17%
- Tue80°63°17%
- Wed88°63°30%
- Thu91°70°27%
- Fri91°70°36%
- Sat78°70°45%
- Sun86°67°36%
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 — Quakertown
SPC has placed Quakertown 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 Quakertown
- 18951