Carnot-Moon, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Carnot-Moon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°51°—
- FridayJun 5Overcast——85°57°+1°
- SaturdayJun 6Showers78%—82°66°-3°
- SundayJun 7Drizzle68%—84°62°+2°
- MondayJun 8Overcast——82°55°-2°
- TuesdayJun 9Overcast——83°59°+1°
- WednesdayJun 10Overcast24%—85°62°+2°
Ozone at AQI 117 — peak already passed at 1 PM under clear skies. AQI up 20 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 117 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 117
- UV peak
- 4.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 117
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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:51 AM
- Moonset
- 1:19 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Carnot-Moon at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Carnot-Moon
SPC has placed Carnot-Moon in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3SLGTSlight Risk
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.