Chalkhill, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Chalkhill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle50%0.09″85°66°—
- SundayJul 5Light Rain53%0.06″84°67°-1°
- MondayJul 6Light Showers82%0.01″80°65°-4°
- TuesdayJul 7Thunderstorm55%—71°62°-9°
- WednesdayJul 8Light Drizzle16%0.03″77°61°+6°
- ThursdayJul 9Light Drizzle34%—85°59°+8°
- FridayJul 10Light Drizzle75%0.07″70°64°-15°
AQI 82 (Moderate), driven by Ozone. AQI up 23 in the last 6 hours — air quality is degrading. Ozone at AQI 76 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 76
- UV peak
- 1.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 76
PM × Wind × Precip
PM2.5 at 6.9 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 1h 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
- 11:12 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Chalkhill at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Chalkhill
- Sat86°66°50%
- Sun84°66°53%
- Mon80°65°82%
- Tue71°62°55%
- Wed77°61°16%
- Thu85°59°34%
- Fri70°64°75%
- Sat80°60°59%
- Sun74°55°35%
- Mon75°51°31%
- Tue75°51°24%
- Wed80°54°40%
- Thu83°57°36%
- Fri71°60°42%
- Sat78°64°56%
- Sun74°63°48%
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 — Chalkhill
SPC has placed Chalkhill 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 Chalkhill
- 15470
- 15437