West Decatur, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
West Decatur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain51%0.13″87°65°—
- SundayJul 5Overcast37%—83°66°-4°
- MondayJul 6Heavy Rain73%1.5″76°65°-7°
- TuesdayJul 7Thunderstorm68%—77°65°+1°
- WednesdayJul 8Light Showers18%—75°63°-2°
- ThursdayJul 9Light Drizzle16%—84°59°+9°
- FridayJul 10Light Drizzle61%0.06″78°65°-6°
AQI 73 (Moderate), driven by Ozone. AQI up 21 in the last 6 hours — air quality is degrading. Ozone at AQI 65 — 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 65 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 65
- UV peak
- 0.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 65
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.1 µg/m³, PM10 to 6.3 µg/m³.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:08 PM
- Moonset
- 10:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
West Decatur at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 16878
16-Day Forecast — West Decatur
- Sat87°65°36%
- Sun83°66°49%
- Mon76°65°73%
- Tue77°65°68%
- Wed75°63°18%
- Thu84°59°16%
- Fri78°65°61%
- Sat73°61°31%
- Sun77°57°20%
- Mon75°54°26%
- Tue77°53°21%
- Wed80°53°42%
- Thu82°54°42%
- Fri80°58°39%
- Sat83°65°46%
- Sun79°67°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 — West Decatur
SPC has placed West Decatur 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 West Decatur
- 16878