Maineville, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Maineville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—93°74°—
- SundayJul 5Light Drizzle27%0.02″87°72°-6°
- MondayJul 6Thunderstorm48%—82°69°-5°
- TuesdayJul 7Light Drizzle14%—79°63°-3°
- WednesdayJul 8Partly Cloudy——86°65°+7°
- ThursdayJul 9Thunderstorm39%—85°66°-1°
- FridayJul 10Light Drizzle58%—80°69°-5°
AQI 53 (Moderate), driven by Ozone. Ozone at AQI 119 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 140 around 1 PM.
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 119 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 140 around 1 PM.
- Present
- AQI 119
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 140
PM × Wind × Precip
PM2.5 at 9.9 µg/m³, PM10 at 10.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- breezy
- 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
- 11:30 PM
- Moonset
- 10:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Maineville at a glance
- Today vs. normal: 20°F above the seasonal normal for this latitude
- 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: 45039
16-Day Forecast — Maineville
- Sat93°74°16%
- Sun87°72°27%
- Mon82°69°48%
- Tue79°63°14%
- Wed86°65°8%
- Thu85°66°39%
- Fri80°69°58%
- Sat84°68°44%
- Sun78°61°16%
- Mon70°55°13%
- Tue75°61°14%
- Wed83°63°23%
- Thu86°66°23%
- Fri86°70°19%
- Sat85°68°39%
- Sun87°70°29%
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 — Maineville
SPC has placed Maineville 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 Maineville
- 45152
- 45140
- 45039