Tarentum, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Tarentum weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain54%0.65″92°69°—
- SundayJul 5Light Drizzle43%0.02″88°69°-4°
- MondayJul 6T-storm w/ Hail84%0.28″81°69°-7°
- TuesdayJul 7Thunderstorm53%—76°66°-5°
- WednesdayJul 8Light Drizzle13%0.01″83°65°+7°
- ThursdayJul 9Light Drizzle24%0.02″86°62°+3°
- FridayJul 10Showers68%0.50″76°68°-10°
AQI 90 (Moderate), driven by PM2.5. AQI up 40 in the last 6 hours — air quality is degrading. PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 8.7 µg/m³.
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 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 0.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 46
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 8.7 µg/m³.
- PM2.5/PM10
- 0.97
- Wind
- light
- 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
- 11:14 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Tarentum at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15084
16-Day Forecast — Tarentum
- Sat92°69°54%
- Sun88°69°43%
- Mon81°69°84%
- Tue76°66°53%
- Wed83°65°13%
- Thu86°62°24%
- Fri76°68°68%
- Sat77°63°43%
- Sun78°57°24%
- Mon78°55°25%
- Tue79°54°21%
- Wed84°56°32%
- Thu86°59°29%
- Fri79°60°39%
- Sat84°67°25%
- Sun75°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 — Tarentum
SPC has placed Tarentum 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 Tarentum
- 15084