Plum, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Plum weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast43%—94°69°—
- SundayJul 5Light Rain44%0.07″87°68°-7°
- MondayJul 6Thunderstorm82%0.03″79°69°-8°
- TuesdayJul 7Light Showers46%—75°64°-4°
- WednesdayJul 8Light Drizzle—0.01″82°64°+7°
- ThursdayJul 9Light Drizzle25%—85°61°+3°
- FridayJul 10Thunderstorm68%0.24″76°66°-9°
AQI 56 (Moderate), driven by Ozone. Ozone at AQI 122 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 143 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 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 122 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 143 around 1 PM.
- Present
- AQI 122
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 143
PM × Wind × Precip
PM2.5 at 7.9 µg/m³, PM10 at 8.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 0h 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
- 11:13 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plum at a glance
- Today vs. normal: 21°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Plum
- Sat94°69°43%
- Sun87°68°44%
- Mon79°69°82%
- Tue75°64°46%
- Wed82°64°8%
- Thu85°61°25%
- Fri76°66°68%
- Sat78°62°43%
- Sun77°57°30%
- Mon77°53°23%
- Tue79°53°21%
- Wed82°55°32%
- Thu85°58°27%
- Fri77°60°26%
- Sat82°66°30%
- Sun76°66°23%
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 — Plum
SPC has placed Plum 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 Plum
- 15139
- 15068
- 15239
- 15147
- 15268