Harrison, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—93°72°—
- SundayJul 5Light Drizzle50%0.02″86°72°-7°
- MondayJul 6Drizzle50%0.04″74°67°-12°
- TuesdayJul 7Overcast17%—81°62°+7°
- WednesdayJul 8Overcast20%—83°64°+2°
- ThursdayJul 9Light Drizzle38%0.04″77°66°-6°
- FridayJul 10Drizzle53%—81°68°+4°
AQI 51 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.95 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.95 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- 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
- 11:32 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Harrison at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 45030
15-Day Forecast — Harrison
- Sat93°72°20%
- Sun86°72°50%
- Mon74°67°50%
- Tue81°62°17%
- Wed83°64°20%
- Thu77°66°38%
- Fri81°68°53%
- Sat86°69°34%
- Sun80°67°23%
- Mon88°65°11%
- Tue84°62°11%
- Wed76°60°23%
- Thu83°61°39%
- Fri83°67°43%
- Sat80°66°32%
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 — Harrison
SPC has placed Harrison 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 Harrison
- 45030