Weather StoryAlmanac, microseasons, and the day's weather story.

South Mount Vernon, Ohio Weather

Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →

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

South Mount Vernon, OH
Wednesday, June 3 at 11:50 PM
76
°
Clear
Feels like
75°
Humidity
42%
Wind
4 mph
Sunrise
6:01 AM
Sunset
8:55 PM
South Mount Vernon, OH
Hour by hour · 24h
24-Hour ForecastSouth Mount Vernon, OH: 24-hour forecast. Temperatures range from 56 to 83 degrees Fahrenheit.
L 56°H 83°
South Mount Vernon, OH
7-day forecast
  1. Today
    Jun 3
    Clear
    79°47°
  2. Thursday
    Jun 4
    Overcast
    83°56°+4°
  3. Friday
    Jun 5
    Overcast
    79°58°-4°
  4. Saturday
    Jun 6
    Drizzle
    80%
    77°63°-2°
  5. Sunday
    Jun 7
    Heavy Drizzle
    80%
    76°61°-1°
  6. Monday
    Jun 8
    Overcast
    83°58°+7°
  7. Tuesday
    Jun 9
    Overcast
    13%
    81°63°-2°
South Mount Vernon, OH
Anemometer · 24h winds · from true
NESW
From · True
ESE
120° · veering 173°
Direction
ESE
120°
Sustained
4
mph
Gust
5
mph
Peak 24h
11
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 11 @ 2:00a
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 118SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
South Mount Vernon, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.5
-0.5 mb in 3h · steady · 29.13 inHg
Now
986.5
mb
3h
-0.5
mb
12h
-5.3
mb
24h
-2.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986992
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW991.6986.0986.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
South Mount Vernon, OH
Air quality
49
AQI
Good
+20 in 6h

Ozone at AQI 43. AQI up 20 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~63%) — afternoon ozone should stay flat.

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

PM 2.5Good
3.1μg/m³
PM 10Good
4μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
91μg/m³
UV IndexLow
0.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~63%) — afternoon ozone should stay flat.

Present
AQI 43
UV peak
0.4 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5
South Mount Vernon, OH
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
101.1mi
UNLIMITED
139 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
23:50 UTC ·South Mount Vernon, OH · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
23:50 UTC ·South Mount Vernon, OH · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 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 · Wednesday, June 3
The higher the clouds, the finer the weather.
Civil dawn
9:30 AM
Sunrise
6:01 AM
Daylight
14h 54m
Sunset
8:55 PM
Civil dusk
1:28 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
South Mount Vernon, OH
The moon
Waning Gibbous
88% illuminated
Moonrise
3:22 AM
Moonset
12:25 PM
In sign
♑︎ Capricorn
South Mount Vernon, OH
Microseason
Jun 1–5

Fireflies pulse through the magnolias

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

South Mount Vernon at a glance

  • Today vs. normal: 76°F — typical for the season
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 3, 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.

ZIP codes in South Mount Vernon

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.