McSherrystown, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
McSherrystown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Rain64%3.6″93°71°—
- MondayJul 6Showers38%0.43″82°71°-11°
- TuesdayJul 7Light Rain56%0.29″72°64°-10°
- WednesdayJul 8Light Drizzle43%0.03″72°63°0°
- ThursdayJul 9Light Drizzle38%0.01″89°67°+17°
- FridayJul 10Light Drizzle49%0.01″83°68°-6°
- SaturdayJul 11Overcast39%—82°66°-1°
AQI 75 (Moderate), driven by Ozone. AQI up 41 in the last 6 hours — air quality is degrading. Ozone at AQI 58 — peak already passed at 1 PM under partly cloudy 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 58 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 58
- UV peak
- 1.4 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 58
PM × Wind × Precip
PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.93 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:25 PM
- Moonset
- 11:17 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
McSherrystown at a glance
- Today vs. normal: 22°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17344
16-Day Forecast — McSherrystown
- Sun94°71°64%
- Mon82°71°38%
- Tue72°64°56%
- Wed72°63°43%
- Thu89°67°38%
- Fri83°68°49%
- Sat82°66°39%
- Sun78°67°21%
- Mon85°66°19%
- Tue68°62°14%
- Wed75°62°16%
- Thu78°59°29%
- Fri85°64°23%
- Sat82°64°23%
- Sun78°65°23%
- Mon68°66°31%
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 — McSherrystown
SPC has placed McSherrystown 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 McSherrystown
- 17344