Harrison, Ohio Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Harrison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——80°52°—
- ThursdayJun 4Overcast——84°57°+4°
- FridayJun 5Overcast——80°61°-4°
- SaturdayJun 6Light Drizzle40%—80°63°0°
- SundayJun 7Light Showers40%—80°68°0°
- MondayJun 8Drizzle14%—80°67°0°
- TuesdayJun 9Drizzle12%—79°69°-1°
Ozone at AQI 103 — peak already passed at 1 PM under clear skies. AQI up 23 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 103 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 103
- UV peak
- 5.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 103
PM × Wind × Precip
PM2.5 at 7.7 µg/m³ (AQI 43) with a 0.88 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:28 AM
- Moonset
- 12:39 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Harrison at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.