St. Clairsville, Ohio Weather
Honeysuckle sweetens the night. Day 90 of spring. Read this microseason across nine climate regions →
St. Clairsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——73°48°—
- WednesdayJun 17Light Drizzle37%0.02″77°57°+4°
- ThursdayJun 18Heavy Rain92%0.71″78°55°+1°
- FridayJun 19Overcast——73°50°-5°
- SaturdayJun 20Overcast11%—70°48°-3°
- SundayJun 21Light Rain48%0.31″70°51°0°
- MondayJun 22Overcast55%—70°54°0°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.96 fine-to-coarse ratio and 5 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 43 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:22 AM
- Moonset
- 11:01 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
St. Clairsville at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — St. Clairsville
- Tue73°48°1%
- Wed77°57°37%
- Thu78°55°92%
- Fri73°50°8%
- Sat70°48°11%
- Sun70°51°48%
- Mon70°54°55%
- Tue76°50°28%
- Wed66°57°10%
- Thu77°56°24%
- Fri79°55°22%
- Sat86°59°39%
- Sun91°64°42%
- Mon89°66°61%
- Tue86°67°42%
- Wed82°66°43%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — St. Clairsville
SPC has placed St. Clairsville in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal 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 St. Clairsville
- 43950