Plymouth, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Plymouth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle58%0.03″95°73°—
- SundayJul 5Rain57%0.26″85°69°-10°
- MondayJul 6Light Showers92%0.19″77°63°-8°
- TuesdayJul 7Light Drizzle76%0.01″67°63°-10°
- WednesdayJul 8Light Drizzle27%0.02″78°61°+11°
- ThursdayJul 9Light Drizzle19%—88°62°+10°
- FridayJul 10Drizzle66%—81°66°-7°
AQI 55 (Moderate), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.2 µg/m³, PM10 to 5.4 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- calm
- 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
- 11:22 PM
- Moonset
- 11:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plymouth at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 18651
16-Day Forecast — Plymouth
- Sat95°73°58%
- Sun85°69°57%
- Mon77°63°92%
- Tue67°63°76%
- Wed78°61°27%
- Thu88°62°19%
- Fri81°66°66%
- Sat83°58°38%
- Sun80°58°32%
- Mon84°54°28%
- Tue88°59°21%
- Wed80°61°29%
- Thu81°57°43%
- Fri87°55°42%
- Sat85°64°48%
- Sun88°71°52%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Plymouth
SPC has placed Plymouth 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 Plymouth
- 18651