Mount Pleasant, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Mount Pleasant weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Showers44%0.06″84°68°—
- MondayJul 6Light Drizzle44%—85°69°+1°
- TuesdayJul 7Thunderstorm65%—77°67°-8°
- WednesdayJul 8Drizzle25%—80°64°+3°
- ThursdayJul 9Light Drizzle39%—86°64°+6°
- FridayJul 10Light Showers79%0.13″72°66°-14°
- SaturdayJul 11Overcast67%—80°66°+8°
AQI 46 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 12.1 µg/m³, PM10 at 12.9 µg/m³ — typical background levels with no transport signature.
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 47 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 47
- UV peak
- 3.1 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 12.1 µg/m³, PM10 at 12.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 1h 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
- 11:36 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mount Pleasant at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15666
16-Day Forecast — Mount Pleasant
- Sun85°68°44%
- Mon85°69°44%
- Tue77°67°65%
- Wed80°64°25%
- Thu86°64°39%
- Fri72°66°79%
- Sat80°66°67%
- Sun75°66°23%
- Mon72°60°19%
- Tue61°56°19%
- Wed66°58°20%
- Thu78°55°36%
- Fri85°60°36%
- Sat84°60°36%
- Sun80°60°35%
- Mon73°61°29%
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 — Mount Pleasant
SPC has placed Mount Pleasant in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Mount Pleasant
- 15666
- 15685