Portersville, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Portersville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain63%0.21″91°68°—
- SundayJul 5Heavy Rain74%3.3″82°69°-9°
- MondayJul 6T-storm w/ Hail71%0.38″79°64°-3°
- TuesdayJul 7Light Drizzle27%—83°62°+4°
- WednesdayJul 8Overcast10%—84°59°+1°
- ThursdayJul 9Light Drizzle48%0.01″84°63°0°
- FridayJul 10Light Drizzle49%—80°65°-4°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.8 µg/m³ (AQI 58) with a 0.98 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 41. Overcast through the UV peak window (cloud cover ~68%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 3.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 12.8 µg/m³ (AQI 58) with a 0.98 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 11:16 PM
- Moonset
- 10:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Portersville at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16051
16-Day Forecast — Portersville
- Sat91°68°63%
- Sun82°69°74%
- Mon79°64°71%
- Tue83°62°27%
- Wed84°59°10%
- Thu84°63°48%
- Fri80°65°49%
- Sat82°63°33%
- Sun77°60°26%
- Mon73°56°17%
- Tue76°57°15%
- Wed86°64°40%
- Thu87°65°39%
- Fri82°68°49%
- Sat82°67°35%
- Sun82°62°39%
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 — Portersville
SPC has placed Portersville 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 Portersville
- 16051