Prompton, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Prompton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain45%0.18″93°68°—
- SundayJul 5Heavy Rain91%0.57″87°67°-6°
- MondayJul 6Showers91%0.65″71°60°-16°
- TuesdayJul 7Drizzle54%0.07″74°57°+3°
- WednesdayJul 8Overcast18%—84°56°+10°
- ThursdayJul 9Overcast35%—86°64°+2°
- FridayJul 10Light Drizzle37%0.01″81°65°-5°
AQI 34 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 38 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
- Present
- AQI 38
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 24
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
- 10:57 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Prompton at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 18456
16-Day Forecast — Prompton
- Sat93°68°45%
- Sun87°67°91%
- Mon71°60°91%
- Tue74°57°54%
- Wed84°56°18%
- Thu86°64°35%
- Fri81°65°37%
- Sat85°65°24%
- Sun66°61°32%
- Mon64°59°24%
- Tue74°60°27%
- Wed87°58°27%
- Thu91°66°27%
- Fri88°67°39%
- Sat82°67°40%
- Sun84°61°39%
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 — Prompton
SPC has placed Prompton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Prompton
- 18456
- 18431