Mount Aetna, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mount Aetna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain40%1.0″96°72°—
- SundayJul 5Heavy Rain93%0.85″90°71°-6°
- MondayJul 6Light Showers93%0.18″80°68°-10°
- TuesdayJul 7Showers67%0.01″74°66°-6°
- WednesdayJul 8Drizzle16%0.06″82°64°+8°
- ThursdayJul 9Light Drizzle34%—86°63°+4°
- FridayJul 10Light Drizzle36%—80°66°-6°
AQI 57 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.93 fine-to-coarse ratio and 5 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 41 now. With UV 1.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 41
- UV peak
- 1.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 10:59 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mount Aetna at a glance
- Today vs. normal: 6°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: 19544
15-Day Forecast — Mount Aetna
- Sat96°72°40%
- Sun90°71°93%
- Mon80°68°93%
- Tue74°66°67%
- Wed82°64°16%
- Thu86°63°34%
- Fri80°66°36%
- Sat82°67°32%
- Sun84°66°29%
- Mon80°62°17%
- Tue83°68°17%
- Wed74°61°29%
- Thu83°57°30%
- Fri82°62°36%
- Sat70°67°42%
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 — Mount Aetna
SPC has placed Mount Aetna 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 Mount Aetna
- 19544
- 17067