Mechanicsburg, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mechanicsburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers28%0.41″89°70°—
- SundayJul 5Heavy Showers34%1.0″86°71°-3°
- MondayJul 6Showers51%0.10″79°66°-7°
- TuesdayJul 7Light Drizzle18%—76°63°-3°
- WednesdayJul 8Overcast——81°62°+5°
- ThursdayJul 9Light Drizzle38%—80°63°-1°
- FridayJul 10Thunderstorm54%0.11″78°68°-2°
AQI 71 (Moderate), driven by Ozone. AQI up 38 in the last 6 hours — air quality is degrading. Ozone at AQI 100 — 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 100 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 100
- UV peak
- 2.1 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 100
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.8 µg/m³, PM10 to 11.4 µg/m³.
- PM2.5/PM10
- 0.86
- 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
- 11:29 PM
- Moonset
- 10:39 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mechanicsburg at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 43044
16-Day Forecast — Mechanicsburg
- Sat89°70°28%
- Sun86°71°34%
- Mon79°66°51%
- Tue76°63°18%
- Wed81°62°6%
- Thu80°63°38%
- Fri78°68°54%
- Sat74°62°29%
- Sun72°57°14%
- Mon72°56°13%
- Tue74°55°9%
- Wed77°57°29%
- Thu80°60°29%
- Fri82°64°32%
- Sat78°67°35%
- Sun75°67°65%
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 — Mechanicsburg
SPC has placed Mechanicsburg 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 Mechanicsburg
- 43044