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South Mount Vernon, Ohio Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

South Mount Vernon weather forecast — hour by hour, 7-day outlook, NOAA radar

South Mount Vernon, OH
Sunday, July 5 at 4:21 PM
85
°
Overcast
Feels like
89°
Humidity
58%
Wind
6 mph
Sunrise
2:06 AM
Sunset
5:03 PM
South Mount Vernon, OH
Hour by hour · 24h
24-Hour ForecastSouth Mount Vernon, OH: 24-hour forecast. Temperatures range from 69 to 85 degrees Fahrenheit with a 40% chance of precipitation at 9 PM.
L 69°H 85°
South Mount Vernon, OH
7-day forecast
  1. Today
    Jul 5
    Heavy Drizzle
    40%
    0.05″
    85°72°
  2. Monday
    Jul 6
    Overcast
    29%
    87°69°+2°
  3. Tuesday
    Jul 7
    Overcast
    34%
    75°67°-12°
  4. Wednesday
    Jul 8
    Light Drizzle
    11%
    82°66°+7°
  5. Thursday
    Jul 9
    Thunderstorm
    49%
    85°66°+3°
  6. Friday
    Jul 10
    Showers
    65%
    0.07″
    74°69°-11°
  7. Saturday
    Jul 11
    Light Drizzle
    41%
    79°65°+5°
South Mount Vernon, OH
Anemometer · 24h winds · from true
NESW
From · True
WSW
255° · backing 66°
Direction
WSW
255°
Sustained
6
mph
Gust
11
mph
Peak 24h
13
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 13 @ 5:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 116SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 66° from the wsw.
South Mount Vernon, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.0
-0.5 mb in 3h · steady · 28.85 inHg
Now
977.0
mb
3h
-0.5
mb
12h
+1.3
mb
24h
-0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 976978
970975980985-21h-18h-15h-12h-9h-6h-3h-24hNOW978.0975.8977.1
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
South Mount Vernon, OH
Air quality
45
AQI
Good
+17 in 6hPeak ~61 @ 11 PM

AQI 45 (Good), driven by Ozone. AQI up 17 in the last 6 hours — air quality is degrading. Ozone at AQI 73 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
8.5μg/m³
PM 10Good
9μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
121μg/m³
UV IndexModerate
2.2

What's driving it

Ozone × UV × Sky

Ozone at AQI 73 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 73
UV peak
2.0 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 73

PM × Wind × Precip

PM2.5 at 8.5 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.91
Wind
light
Recent rain
1h in last 6h
Pattern
background
South Mount Vernon, OH
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
61.8mi
UNLIMITED
60 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
20:21 UTC · South Mount Vernon, OH · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
20:21 UTC · South Mount Vernon, OH · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
South Mount Vernon, OH
Satellite · infrared · animated
South Mount Vernon, OH
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
South Mount Vernon, OH
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:34 AM
Sunrise
2:06 AM
Daylight
14h 57m
Sunset
5:03 PM
Civil dusk
9:37 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
South Mount Vernon, OH
The moon
Waning Gibbous
70% illuminated
Moonrise
11:48 PM
Moonset
11:41 AM
In sign
♓︎ Pisces
South Mount Vernon, OH
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

South Mount Vernon at a glance

  • Today vs. normal: 14°F above the seasonal normal for this latitude
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — South Mount Vernon

  1. Sun86°72°40%
  2. Mon87°68°29%
  3. Tue75°67°34%
  4. Wed82°66°11%
  5. Thu85°66°49%
  6. Fri74°69°65%
  7. Sat79°65°41%
  8. Sun76°69°22%
  9. Mon76°60°13%
  10. Tue66°56°13%
  11. Wed76°58°12%
  12. Thu79°60°29%
  13. Fri82°61°26%
  14. Sat82°62°24%
  15. Sun81°63°31%
  16. Mon80°63°35%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, 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 — South Mount Vernon

SPC has placed South Mount Vernon 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 South Mount Vernon

  • 43050

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.