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 4Heavy Rain35%1.0″89°65°—
- SundayJul 5Heavy Showers76%0.37″83°66°-6°
- MondayJul 6Thunderstorm82%—76°62°-7°
- TuesdayJul 7Light Drizzle36%—80°61°+4°
- WednesdayJul 8Overcast19%—84°56°+4°
- ThursdayJul 9Light Drizzle51%—87°63°+3°
- FridayJul 10Light Drizzle60%—78°63°-9°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.9 µg/m³ (AQI 69) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 37 now. With UV 3.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 18.9 µg/m³ (AQI 69) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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: 73°F — typical for the season
- 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
- Sat89°65°35%
- Sun83°66°76%
- Mon76°62°82%
- Tue80°61°36%
- Wed84°56°19%
- Thu87°63°51%
- Fri78°63°60%
- Sat81°65°51%
- Sun74°61°38%
- Mon68°57°21%
- Tue75°56°23%
- Wed84°62°29%
- Thu89°65°35%
- Fri88°67°51%
- Sat79°66°46%
- Sun83°65°40%
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