Port Allegany, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Port Allegany weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle37%0.05″89°68°—
- SundayJul 5Heavy Rain45%0.48″83°67°-6°
- MondayJul 6Light Rain86%0.10″72°65°-11°
- TuesdayJul 7Thunderstorm55%—76°66°+4°
- WednesdayJul 8Light Showers13%0.02″78°62°+2°
- ThursdayJul 9Heavy Drizzle25%0.25″81°59°+3°
- FridayJul 10Thunderstorm61%0.01″85°65°+4°
AQI 48 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 9.3 µg/m³, PM10 at 9.9 µg/m³ — typical background levels with no transport signature.
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 49 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 49
- UV peak
- 3.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 9.3 µg/m³, PM10 at 9.9 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
- 11:09 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Port Allegany at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16743
16-Day Forecast — Port Allegany
- Sat89°68°37%
- Sun83°66°45%
- Mon72°65°86%
- Tue76°66°55%
- Wed78°62°13%
- Thu81°59°25%
- Fri85°65°61%
- Sat77°60°25%
- Sun71°52°23%
- Mon77°52°33%
- Tue76°52°18%
- Wed80°51°42%
- Thu82°57°39%
- Fri86°58°32%
- Sat85°64°52%
- Sun68°65°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 — Port Allegany
SPC has placed Port Allegany 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 Port Allegany
- 16743