Union County, Ohio, United States

Last updated: 5:15 AM CDT · Refresh

19°C

Feels like 21°

Mostly Cloudy

▲ 29° / ▼ 18°

Wind

6 mph SSW

Humidity

93%

Dew Point

19°

Pressure

28.95 inHg

Visibility

8 mi

UV Index

0.0

Cloud Cover

71%

Sunrise

6:40 AM

Sunset

8:35 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently mostly cloudy at 20°C. Precipitation is likely — peak probability 90% around 4 PM. Atmospheric instability is elevated (CAPE up to 2181 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 8:35PM.

56 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

19°

65%

7 AM

19°

69%

8 AM

20°

76%

9 AM

21°

65%

10 AM

22°

73%

11 AM

22°

80%

12 PM

23°

74%

1 PM

23°

88%

2 PM

25°

87%

3 PM

24°

87%

4 PM

22°

90%

5 PM

21°

78%

6 PM

24°

78%

7 PM

24°

74%

8 PM

23°

81%

9 PM

23°

82%

10 PM

20°

86%

11 PM

19°

77%

12 AM

19°

64%

1 AM

19°

63%

2 AM

19°

58%

3 AM

19°

60%

4 AM

19°

60%

5 AM

19°

57%

7-Day Forecast

Today

29° 18°

Mostly Cloudy with a 87% chance of rain.

Wed

28° 18°

Partly Cloudy with a 64% chance of rain.

Thu

29° 19°

Overcast with a 65% chance of rain.

Fri

27° 15°

Partly Cloudy with a 66% chance of rain.

Sat

27° 14°

Drizzle, 48% chance.

Sun

31° 18°

Thunderstorm, 72% chance.

Mon

26° 16°

Rain, 56% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 19° Mostly Cloudy 65% 6 mph SSW 93%

7 AM 19° Overcast 69% 7 mph SSW 93%

8 AM 20° Mostly Cloudy 76% 8 mph SW 92%

9 AM 21° Mostly Cloudy 65% 8 mph SW 91%

10 AM 22° Overcast 73% 8 mph SW 90%

11 AM 22° Overcast 80% 8 mph SSW 89%

12 PM 23° Mostly Cloudy 74% 8 mph WSW 87%

1 PM 23° Heavy Rain 88% 10 mph W 85%

2 PM 25° Mostly Cloudy 87% 11 mph W 82%

3 PM 24° Overcast 87% 12 mph W 85%

4 PM 22° Thunderstorm 90% 14 mph W 90%

5 PM 21° Heavy Rain 78% 12 mph W 91%

6 PM 24° Heavy Rain 78% 11 mph WSW 91%

7 PM 24° Rain 74% 11 mph WSW 93%

8 PM 23° Rain 81% 8 mph WSW 93%

9 PM 23° Rain 82% 6 mph SW 94%

10 PM 20° Rain 86% 6 mph SW 95%

11 PM 19° Rain 77% 5 mph SW 96%

12 AM 19° Rain 64% 4 mph SSW 96%

1 AM 19° Drizzle 63% 5 mph SSW 96%

2 AM 19° Drizzle 58% 5 mph SSW 96%

3 AM 19° Drizzle 60% 3 mph SSW 96%

4 AM 19° Rain 60% 3 mph SW 97%

5 AM 19° Rain 57% 4 mph SW 97%

15-Day Forecast

Today

8/11

Mostly Cloudy

87%

18°

29°

Wed

8/12

Partly Cloudy

64%

18°

28°

Thu

8/13

Overcast

65%

19°

29°

Fri

8/14

Partly Cloudy

66%

15°

27°

Sat

8/15

Drizzle

48%

14°

27°

Sun

8/16

Thunderstorm

72%

18°

31°

Mon

8/17

Rain

56%

16°

26°

Tue

8/18

Partly Cloudy

33%

16°

27°

Wed

8/19

Overcast

35%

17°

30°

Thu

8/20

Drizzle

35%

18°

29°

Fri

8/21

Drizzle

60%

17°

27°

Sat

8/22

Drizzle

60%

16°

28°

Sun

8/23

Drizzle

60%

16°

27°

Mon

8/24

Drizzle

60%

15°

27°

Tue

8/25

Drizzle

60%

15°

27°

Moderate

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

56 AQI 11.9 µg/m³

O₃

Ground-level ozone

34 AQI 37 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 56 Moderate 34 56

Wed 36 Good 32 36

Thu 34 Good 34 22

About the Air Quality Index

0–50 Good

51–100 Moderate

101–150 Unhealthy for Sensitive Groups

151–200 Unhealthy

201–300 Very Unhealthy

301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Tue Aug 11, 09:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE54 J/kg

MLCAPE776 J/kg

MUCAPE2419 J/kg

SBCIN-450 J/kg

MLCIN0 J/kg

Lifted Index-0.7

Kinematics

0–6 km Shear28 kt

0–1 km Shear25 kt

Eff. Shear15 kt

0–1 km SRH106

0–3 km SRH145

Eff. SRH73

Storm Motion310° @ 31 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index41.6

Thermo & Levels

PWAT1.85 in

0–3 km LR4.1 °C/km

700–500 LR6.7 °C/km

Total Totals53.7

LCL967 hPa

LFC609 hPa

EL431 hPa

Freezing Lvl13,219 ft

Union County, Ohio, United States

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