Sinnamahoning, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sinnamahoning weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain47%0.70″91°68°—
- SundayJul 5Heavy Rain75%0.35″87°70°-4°
- MondayJul 6T-storm w/ Hail78%1.0″74°65°-13°
- TuesdayJul 7Light Drizzle61%—81°63°+7°
- WednesdayJul 8Overcast11%—87°60°+6°
- ThursdayJul 9Overcast42%—91°62°+4°
- FridayJul 10Light Drizzle45%—80°65°-11°
AQI 51 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 44 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 23 around 1 PM.
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 44 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 23 around 1 PM.
- Present
- AQI 44
- UV peak
- 4.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 23
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- light
- 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
- 11:08 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sinnamahoning at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15861
16-Day Forecast — Sinnamahoning
- Sat91°68°47%
- Sun87°70°75%
- Mon74°65°78%
- Tue81°63°61%
- Wed87°60°11%
- Thu91°62°42%
- Fri80°65°45%
- Sat86°67°29%
- Sun79°65°29%
- Mon78°63°18%
- Tue79°63°19%
- Wed87°66°27%
- Thu92°66°35%
- Fri87°68°46%
- Sat83°69°44%
- Sun88°64°37%
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 — Sinnamahoning
SPC has placed Sinnamahoning 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 Sinnamahoning
- 15861
- 15832