Tarentum, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Tarentum weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——69°56°—
- TuesdayJun 16Overcast——76°50°+7°
- WednesdayJun 17Rain38%0.10″77°58°+1°
- ThursdayJun 18Thunderstorm70%1.5″83°58°+6°
- FridayJun 19Drizzle19%—77°57°-6°
- SaturdayJun 20Mostly Clear——72°50°-5°
- SundayJun 21Overcast18%—70°51°-2°
AQI 33 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 37. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.
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 37. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.
- Present
- AQI 37
- UV peak
- 0.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:48 AM
- Moonset
- 9:07 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Tarentum at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Tarentum
- Mon69°56°1%
- Tue76°50°2%
- Wed77°58°38%
- Thu83°58°70%
- Fri77°57°19%
- Sat72°50°7%
- Sun70°51°18%
- Mon61°57°43%
- Tue75°58°42%
- Wed68°62°20%
- Thu78°62°24%
- Fri80°58°55%
- Sat78°53°42%
- Sun91°57°24%
- Mon90°68°31%
- Tue80°62°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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