Jefferson Hills, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Jefferson Hills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle31%0.02″87°69°—
- MondayJul 6Heavy Rain33%0.44″84°70°-3°
- TuesdayJul 7Thunderstorm57%—78°67°-6°
- WednesdayJul 8Light Drizzle28%—82°64°+4°
- ThursdayJul 9Foggy47%—88°65°+6°
- FridayJul 10Light Showers79%0.12″73°67°-15°
- SaturdayJul 11Foggy57%—80°66°+7°
AQI 52 (Moderate), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 88 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 88 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 88
- UV peak
- 4.0 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 88
PM × Wind × Precip
PM2.5 at 13.2 µg/m³ (AQI 59) with a 0.95 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- 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
- 11:37 PM
- Moonset
- 11:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Jefferson Hills at a glance
- Today vs. normal: 16°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.
16-Day Forecast — Jefferson Hills
- Sun87°69°31%
- Mon84°70°33%
- Tue78°67°57%
- Wed82°64°28%
- Thu88°65°47%
- Fri73°67°79%
- Sat80°66°57%
- Sun77°67°20%
- Mon76°62°19%
- Tue63°56°14%
- Wed67°59°17%
- Thu81°56°25%
- Fri85°61°26%
- Sat85°60°32%
- Sun84°61°29%
- Mon76°63°26%
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 — Jefferson Hills
SPC has placed Jefferson Hills in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Jefferson Hills
- 15332
- 15025