Ellwood City, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ellwood City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain58%0.26″90°69°—
- SundayJul 5Heavy Showers41%3.6″85°68°-5°
- MondayJul 6T-storm w/ Hail83%0.14″81°68°-4°
- TuesdayJul 7Thunderstorm27%—77°66°-4°
- WednesdayJul 8Light Drizzle——81°65°+4°
- ThursdayJul 9Light Drizzle23%0.01″84°62°+3°
- FridayJul 10Light Showers68%0.54″77°68°-7°
AQI 82 (Moderate), driven by Ozone. AQI up 41 in the last 6 hours — air quality is degrading. Ozone at AQI 85 — 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 85 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 85
- UV peak
- 3.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 85
PM × Wind × Precip
PM2.5 at 7.8 µg/m³, PM10 at 8.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- 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
- 11:16 PM
- Moonset
- 10:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ellwood City at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16117
16-Day Forecast — Ellwood City
- Sat91°69°58%
- Sun85°68°41%
- Mon81°68°83%
- Tue77°66°27%
- Wed81°65°6%
- Thu84°62°23%
- Fri77°68°68%
- Sat74°62°30%
- Sun75°59°21%
- Mon74°54°20%
- Tue76°53°23%
- Wed79°55°29%
- Thu82°58°27%
- Fri80°61°40%
- Sat81°67°26%
- Sun75°67°45%
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 — Ellwood City
SPC has placed Ellwood City in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Ellwood City
- 16117