Karns City, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Karns City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain54%0.81″90°67°—
- SundayJul 5Heavy Showers76%0.65″84°69°-6°
- MondayJul 6T-storm w/ Hail75%0.07″79°66°-5°
- TuesdayJul 7Overcast26%—83°61°+4°
- WednesdayJul 8Overcast11%—85°59°+2°
- ThursdayJul 9Light Drizzle47%—88°63°+3°
- FridayJul 10Drizzle49%—81°66°-7°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.8 µg/m³ (AQI 60) with a 0.98 fine-to-coarse ratio and 5 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 35. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 3.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 13.8 µg/m³ (AQI 60) with a 0.98 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 11:14 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Karns City 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: 16041
16-Day Forecast — Karns City
- Sat90°67°54%
- Sun84°69°76%
- Mon79°66°75%
- Tue83°61°26%
- Wed85°59°11%
- Thu88°63°47%
- Fri81°66°49%
- Sat86°65°35%
- Sun77°63°27%
- Mon74°58°17%
- Tue78°58°17%
- Wed87°64°33%
- Thu91°65°40%
- Fri84°68°45%
- Sat83°67°37%
- Sun87°64°42%
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 — Karns City
SPC has placed Karns City 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 Karns City
- 16041