Klahr, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Klahr weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain53%0.55″83°68°—
- MondayJul 6Light Rain54%0.09″78°68°-5°
- TuesdayJul 7Rain70%0.16″68°63°-10°
- WednesdayJul 8Light Drizzle33%0.01″67°62°-1°
- ThursdayJul 9Overcast30%—86°61°+19°
- FridayJul 10Drizzle52%0.07″69°65°-17°
- SaturdayJul 11Foggy36%—77°64°+8°
AQI 48 (Good), driven by PM2.5. AQI up 14 over the last 6 hours (gradual rise). PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.7 µg/m³, PM10 to 10.4 µg/m³.
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 45 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 2.0 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 45
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.7 µg/m³, PM10 to 10.4 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- calm
- Recent rain
- 3h in last 6h
- Pattern
- washed out
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
- 11:32 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Klahr at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Klahr
- Sun83°68°53%
- Mon78°68°54%
- Tue68°63°70%
- Wed67°62°33%
- Thu86°61°30%
- Fri69°65°52%
- Sat77°64°36%
- Sun77°64°22%
- Mon74°61°19%
- Tue61°57°16%
- Wed68°59°17%
- Thu76°56°40%
- Fri79°58°29%
- Sat79°58°31%
- Sun78°60°26%
- Mon67°62°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Klahr
SPC has placed Klahr in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Klahr
- 16625