Harrison City, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harrison City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain34%0.49″95°70°—
- SundayJul 5Overcast80%—90°71°-5°
- MondayJul 6Thunderstorm72%0.02″80°66°-10°
- TuesdayJul 7Light Drizzle32%—76°62°-4°
- WednesdayJul 8Overcast12%—83°57°+7°
- ThursdayJul 9Overcast49%—83°62°0°
- FridayJul 10Light Drizzle56%—81°64°-2°
AQI 59 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 20.1 µg/m³ (AQI 71) with a 0.96 fine-to-coarse ratio and 2 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 1.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.
- Present
- AQI 33
- UV peak
- 1.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 20.1 µg/m³ (AQI 71) with a 0.96 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:13 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Harrison City at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15636
15-Day Forecast — Harrison City
- Sat95°70°34%
- Sun90°71°80%
- Mon80°66°72%
- Tue76°62°32%
- Wed83°57°12%
- Thu83°62°49%
- Fri81°64°56%
- Sat83°63°42%
- Sun82°64°33%
- Mon79°59°19%
- Tue85°65°19%
- Wed71°59°26%
- Thu79°55°35%
- Fri87°60°52%
- Sat78°64°46%
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 — Harrison City
SPC has placed Harrison City 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 Harrison City
- 15636