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 4Heavy Rain43%1.3″89°68°—
- SundayJul 5Heavy Drizzle75%0.04″85°67°-4°
- MondayJul 6Thunderstorm78%0.16″72°63°-13°
- TuesdayJul 7Light Drizzle49%—80°59°+8°
- WednesdayJul 8Overcast——86°59°+6°
- ThursdayJul 9Drizzle44%0.04″88°60°+2°
- FridayJul 10Light Drizzle50%—77°63°-11°
AQI 44 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 7.5 µg/m³, PM10 at 8.0 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 40. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 3.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 7.5 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 0h 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: 5°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°43%
- Sun85°67°75%
- Mon72°63°78%
- Tue80°59°49%
- Wed86°59°9%
- Thu88°60°44%
- Fri77°63°50%
- Sat83°66°25%
- Sun74°64°26%
- Mon77°60°17%
- Tue82°60°23%
- Wed86°64°30%
- Thu90°63°35%
- Fri87°66°52%
- Sat80°66°40%
- Sun85°60°34%
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