Clarington, Ohio Weather
Honeysuckle sweetens the night. Day 89 of spring. Read this microseason across nine climate regions →
Clarington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——77°53°—
- WednesdayJun 17Overcast17%—82°61°+5°
- ThursdayJun 18Thunderstorm79%0.44″85°66°+3°
- FridayJun 19Overcast21%—79°58°-6°
- SaturdayJun 20Overcast——76°49°-3°
- SundayJun 21Light Drizzle22%0.02″81°53°+5°
- MondayJun 22Light Showers50%0.20″74°53°-7°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.97 fine-to-coarse ratio and 2 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
Ozone × UV × Sky
Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~74%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.97 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:06 AM
- Moonset
- 10:09 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Clarington at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Clarington
- Tue77°53°5%
- Wed82°61°17%
- Thu85°66°79%
- Fri79°58°21%
- Sat76°49°6%
- Sun81°53°22%
- Mon74°53°50%
- Tue78°49°39%
- Wed79°54°18%
- Thu87°55°23%
- Fri94°63°42%
- Sat87°67°31%
- Sun84°67°48%
- Mon96°70°45%
- Tue88°63°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 — Clarington
SPC has placed Clarington in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal 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 Clarington
- 43915