Blue Knob, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Blue Knob weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain28%0.52″88°68°—
- SundayJul 5Light Rain88%0.11″81°67°-7°
- MondayJul 6Thunderstorm87%0.38″73°62°-8°
- TuesdayJul 7Light Drizzle55%0.03″72°58°-1°
- WednesdayJul 8Overcast17%—78°54°+6°
- ThursdayJul 9Overcast44%—84°59°+6°
- FridayJul 10Drizzle38%—80°63°-4°
AQI 57 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³, PM10 at 11.7 µg/m³ — typical background levels with no transport signature.
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 40 now. With UV 4.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 40
- UV peak
- 4.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 11.1 µg/m³, PM10 at 11.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Blue Knob at a glance
- Today vs. normal: 5°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 — Blue Knob
- Sat88°68°28%
- Sun81°67°88%
- Mon73°62°87%
- Tue72°58°55%
- Wed78°54°17%
- Thu84°59°44%
- Fri80°63°38%
- Sat80°63°37%
- Sun75°60°26%
- Mon72°58°19%
- Tue67°57°15%
- Wed77°60°32%
- Thu87°64°32%
- Fri86°68°39%
- Sat79°65°40%
- Sun83°62°43%
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 — Blue Knob
SPC has placed Blue Knob 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 Blue Knob
- 15946
- 16635