Clarendon, Pennsylvania Weather
Solstice approaches — longest light. Day 86 of spring. Read this microseason across nine climate regions →
Clarendon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Overcast——80°55°—
- SundayJun 14Heavy Rain94%0.48″79°58°-1°
- MondayJun 15Overcast24%—70°45°-9°
- TuesdayJun 16Heavy Drizzle10%0.02″70°49°0°
- WednesdayJun 17Light Rain31%0.28″65°51°-5°
- ThursdayJun 18Drizzle76%0.18″73°60°+8°
- FridayJun 19Light Drizzle37%—72°53°-1°
AQI 35 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 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 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:51 AM
- Moonset
- 7:57 PM
- In sign
- ♉︎ Taurus
Solstice approaches — longest light
Clarendon at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Clarendon
- Sat81°56°0%
- Sun79°58°94%
- Mon70°45°24%
- Tue70°49°10%
- Wed65°51°31%
- Thu73°60°76%
- Fri72°53°37%
- Sat74°48°14%
- Sun62°57°23%
- Mon72°51°23%
- Tue77°46°16%
- Wed81°50°29%
- Thu80°57°30%
- Fri76°54°34%
- Sat68°51°45%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, 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 — Clarendon
SPC has placed Clarendon in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWSLGTSlight Risk
- DAY 3NONENo severe 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.
ZIP codes in Clarendon
- 16313