Mahaffey, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mahaffey weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain44%1.2″88°65°—
- SundayJul 5Light Showers45%1.4″85°67°-3°
- MondayJul 6Light Showers76%1.7″75°67°-10°
- TuesdayJul 7Thunderstorm57%—76°64°+1°
- WednesdayJul 8Light Showers17%0.02″77°64°+1°
- ThursdayJul 9Light Drizzle19%—84°61°+7°
- FridayJul 10Light Drizzle67%0.08″78°66°-6°
AQI 69 (Moderate), driven by Ozone. AQI up 19 in the last 6 hours — air quality is degrading. Ozone at AQI 78 — peak already passed at 1 PM under clear 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 78 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 78
- UV peak
- 1.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 78
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 7.1 µg/m³, PM10 to 7.4 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 3h 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
- 11:10 PM
- Moonset
- 10:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mahaffey at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15757
16-Day Forecast — Mahaffey
- Sat88°65°44%
- Sun85°67°45%
- Mon75°67°76%
- Tue76°64°57%
- Wed77°64°17%
- Thu84°61°19%
- Fri78°66°67%
- Sat73°62°38%
- Sun78°56°24%
- Mon77°58°32%
- Tue77°54°26%
- Wed81°54°42%
- Thu82°56°42%
- Fri79°59°39%
- Sat83°66°46%
- Sun75°67°48%
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 — Mahaffey
SPC has placed Mahaffey 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 Mahaffey
- 15757