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 Rain43%0.90″88°65°—
- SundayJul 5Heavy Rain82%0.56″86°68°-2°
- MondayJul 6T-storm w/ Hail80%0.11″79°65°-7°
- TuesdayJul 7Light Drizzle57%0.01″82°61°+3°
- WednesdayJul 8Overcast14%—85°58°+3°
- ThursdayJul 9Overcast41%—88°63°+3°
- FridayJul 10Light Drizzle53%—78°66°-10°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.97 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 35 now. With UV 3.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 35
- UV peak
- 3.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 9.6 µg/m³ (AQI 52) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 11:10 PM
- Moonset
- 10:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mahaffey at a glance
- Today vs. normal: 73°F — typical for the season
- 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°43%
- Sun86°68°82%
- Mon79°65°80%
- Tue82°61°57%
- Wed85°58°14%
- Thu88°63°41%
- Fri78°66°53%
- Sat85°68°41%
- Sun81°65°31%
- Mon74°61°19%
- Tue75°60°19%
- Wed86°64°29%
- Thu91°65°39%
- Fri86°68°46%
- Sat83°68°40%
- Sun85°63°43%
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