Waynesburg, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Waynesburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain28%0.26″96°70°—
- SundayJul 5Showers81%0.37″89°71°-7°
- MondayJul 6T-storm w/ Hail81%0.05″84°64°-5°
- TuesdayJul 7Light Drizzle37%—83°64°-1°
- WednesdayJul 8Overcast15%—87°59°+4°
- ThursdayJul 9Overcast49%—91°66°+4°
- FridayJul 10Light Drizzle54%0.01″86°66°-5°
AQI 71 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 32.5 µg/m³ (AQI 95) with a 0.97 fine-to-coarse ratio and 4 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 33 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 33
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 32.5 µg/m³ (AQI 95) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 11:14 PM
- Moonset
- 10:25 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Waynesburg at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15370
16-Day Forecast — Waynesburg
- Sat97°70°28%
- Sun89°71°81%
- Mon84°64°81%
- Tue83°64°37%
- Wed87°59°15%
- Thu91°66°49%
- Fri86°66°54%
- Sat86°68°43%
- Sun78°63°33%
- Mon75°58°19%
- Tue82°58°21%
- Wed89°64°23%
- Thu93°67°35%
- Fri91°69°52%
- Sat81°69°45%
- Sun87°67°38%
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 — Waynesburg
SPC has placed Waynesburg 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 Waynesburg
- 15370