Ohio, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ohio weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain62%0.62″81°69°—
- SundayJul 5Overcast22%—82°66°+1°
- MondayJul 6Overcast——80°63°-2°
- TuesdayJul 7Overcast——79°57°-1°
- WednesdayJul 8Overcast13%—81°62°+2°
- ThursdayJul 9Drizzle49%—77°65°-4°
- FridayJul 10Overcast32%—80°63°+3°
AQI 22 (Good), driven by Ozone. Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~77%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 4.9 µg/m³, PM10 at 5.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 0h 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
- 10:54 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ohio at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61349
16-Day Forecast — Ohio
- Sat81°69°62%
- Sun82°66°22%
- Mon80°63°5%
- Tue79°57°1%
- Wed81°62°13%
- Thu77°65°49%
- Fri80°63°32%
- Sat81°64°13%
- Sun67°57°10%
- Mon72°55°9%
- Tue75°59°9%
- Wed77°61°29%
- Thu81°65°18%
- Fri81°68°29%
- Sat84°69°23%
- Sun83°71°39%
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 — Ohio
SPC has placed Ohio in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Ohio
- 61349