Clarksville, Ohio Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Clarksville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast31%—96°74°—
- SundayJul 5Light Showers50%0.07″89°72°-7°
- MondayJul 6Thunderstorm50%—83°69°-6°
- TuesdayJul 7Light Drizzle17%—79°63°-4°
- WednesdayJul 8Mostly Clear17%—85°65°+6°
- ThursdayJul 9Thunderstorm42%—82°66°-3°
- FridayJul 10Thunderstorm55%—79°70°-3°
AQI 51 (Moderate), driven by PM2.5. AQI projected to climb to 72 over the next 6 hours. PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.86 fine-to-coarse ratio and 6 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 during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 56 now. With UV 5.5 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 41 around 1 PM.
- Present
- AQI 56
- UV peak
- 5.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 12.6 µg/m³ (AQI 58) with a 0.86 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- light
- 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
- 11:29 PM
- Moonset
- 10:41 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Clarksville at a glance
- Today vs. normal: 12°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: 45113
16-Day Forecast — Clarksville
- Sat96°74°31%
- Sun89°72°50%
- Mon83°69°50%
- Tue79°63°17%
- Wed85°65°17%
- Thu82°66°42%
- Fri79°70°55%
- Sat85°67°31%
- Sun77°62°24%
- Mon71°55°13%
- Tue75°62°13%
- Wed83°63°23%
- Thu85°66°23%
- Fri86°70°19%
- Sat86°69°39%
- Sun87°71°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 — Clarksville
SPC has placed Clarksville 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 Clarksville
- 45113