Karthaus, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Karthaus weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain39%0.32″90°68°—
- SundayJul 5Drizzle70%0.03″88°69°-2°
- MondayJul 6T-storm w/ Hail76%0.71″75°65°-13°
- TuesdayJul 7Light Drizzle60%—82°63°+7°
- WednesdayJul 8Overcast12%—87°60°+5°
- ThursdayJul 9Overcast41%—91°63°+4°
- FridayJul 10Light Drizzle47%—81°66°-10°
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 partly cloudy skies, surface ozone likely climbs to AQI 17 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 partly cloudy skies, surface ozone likely climbs to AQI 17 around 1 PM.
- Present
- AQI 44
- UV peak
- 4.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 17
PM × Wind × Precip
PM2.5 at 6.8 µg/m³ (AQI 38) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:07 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Karthaus at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16845
16-Day Forecast — Karthaus
- Sat90°68°39%
- Sun88°69°70%
- Mon75°65°76%
- Tue82°63°60%
- Wed87°60°12%
- Thu91°63°41%
- Fri81°66°47%
- Sat86°68°34%
- Sun79°66°29%
- Mon78°62°18%
- Tue81°64°17%
- Wed87°67°29%
- Thu93°66°29%
- Fri87°69°39%
- Sat84°69°31%
- Sun88°64°41%
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 — Karthaus
SPC has placed Karthaus in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- 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 Karthaus
- 16845