Monongahela, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Monongahela weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain43%0.34″96°69°—
- SundayJul 5Light Drizzle40%0.02″90°70°-6°
- MondayJul 6T-storm w/ Hail86%0.21″82°70°-8°
- TuesdayJul 7T-storm w/ Hail54%—77°66°-5°
- WednesdayJul 8Light Drizzle17%0.02″83°65°+6°
- ThursdayJul 9Light Drizzle37%—85°62°+2°
- FridayJul 10Heavy Drizzle72%0.11″76°68°-9°
AQI 85 (Moderate), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 66 — 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 66 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 66
- UV peak
- 1.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 66
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 8.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 10:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Monongahela at a glance
- Today vs. normal: 25°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15063
16-Day Forecast — Monongahela
- Sat97°69°43%
- Sun90°69°40%
- Mon82°70°86%
- Tue77°66°54%
- Wed83°65°17%
- Thu85°62°37%
- Fri76°68°72%
- Sat82°65°58%
- Sun77°60°29%
- Mon78°56°27%
- Tue78°56°21%
- Wed82°57°35%
- Thu85°60°39%
- Fri78°61°42%
- Sat83°68°43%
- Sun80°67°36%
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 — Monongahela
SPC has placed Monongahela 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 Monongahela
- 15063