Dayton, Ohio

Last updated: 5:16 AM CDT · Refresh

22°C

Feels like 26°

Partly Cloudy

▲ 30° / ▼ 20°

Wind

3 mph S

Humidity

92%

Dew Point

21°

Pressure

29.07 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

55%

Sunrise

6:45 AM

Sunset

8:38 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Dayton is currently partly cloudy at 22°C. Precipitation is likely — peak probability 90% around 3 PM. Atmospheric instability is elevated (CAPE up to 3550 J/kg) — isolated convective development possible. Sunrise: 6:45AM · Sunset: 8:38PM.

59 AQI · Moderate Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

22°

30%

7 AM

22°

43%

8 AM

22°

50%

9 AM

24°

54%

10 AM

25°

55%

11 AM

26°

66%

12 PM

27°

76%

1 PM

27°

76%

2 PM

28°

76%

3 PM

27°

90%

4 PM

25°

85%

5 PM

23°

78%

6 PM

24°

76%

7 PM

24°

72%

8 PM

23°

73%

9 PM

23°

79%

10 PM

21°

83%

11 PM

21°

84%

12 AM

21°

84%

1 AM

21°

84%

2 AM

21°

84%

3 AM

21°

72%

4 AM

20°

68%

5 AM

20°

60%

7-Day Forecast

Today

30° 20°

Mostly Cloudy with a 90% chance of rain.

Wed

30° 20°

Partly Cloudy with a 84% chance of rain.

Thu

31° 21°

Overcast with a 74% chance of rain.

Fri

29° 17°

Overcast with a 72% chance of rain.

Sat

29° 16°

Mostly Cloudy with a 45% chance of rain.

Sun

34° 20°

Thunderstorm, 69% chance.

Mon

29° 18°

Mostly Cloudy with a 56% chance of rain.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 22° Partly Cloudy 30% 3 mph S 92%

7 AM 22° Partly Cloudy 43% 5 mph SSE 88%

8 AM 22° Partly Cloudy 50% 5 mph S 87%

9 AM 24° Mostly Cloudy 54% 7 mph SSW 85%

10 AM 25° Mostly Cloudy 55% 9 mph SSW 84%

11 AM 26° Mostly Cloudy 66% 11 mph SSW 82%

12 PM 27° Mostly Cloudy 76% 11 mph SW 81%

1 PM 27° Overcast 76% 10 mph SSW 79%

2 PM 28° Overcast 76% 11 mph SW 78%

3 PM 27° Overcast 90% 8 mph WSW 82%

4 PM 25° Heavy Rain 85% 10 mph WNW 87%

5 PM 23° Heavy Rain 78% 11 mph NW 90%

6 PM 24° Heavy Rain 76% 7 mph WNW 92%

7 PM 24° Rain 72% 8 mph WNW 94%

8 PM 23° Rain 73% 8 mph W 96%

9 PM 23° Rain 79% 7 mph WSW 96%

10 PM 21° Haze 83% 5 mph WSW 96%

11 PM 21° Fog 84% 4 mph WSW 96%

12 AM 21° Rain 84% 4 mph WSW 96%

1 AM 21° Rain 84% 5 mph SW 97%

2 AM 21° Thunderstorm 84% 5 mph SW 97%

3 AM 21° Rain 72% 5 mph SW 97%

4 AM 20° Drizzle 68% 5 mph SSW 97%

5 AM 20° Drizzle 60% 6 mph SSW 97%

15-Day Forecast

Today

8/11

Mostly Cloudy

90%

20°

30°

Wed

8/12

Partly Cloudy

84%

20°

30°

Thu

8/13

Overcast

74%

21°

31°

Fri

8/14

Overcast

72%

17°

29°

Sat

8/15

Mostly Cloudy

45%

16°

29°

Sun

8/16

Thunderstorm

69%

20°

34°

Mon

8/17

Mostly Cloudy

56%

18°

29°

Tue

8/18

Partly Cloudy

34%

17°

30°

Wed

8/19

Overcast

35%

18°

33°

Thu

8/20

Partly Cloudy

35%

20°

31°

Fri

8/21

Drizzle

60%

17°

30°

Sat

8/22

Drizzle

60%

17°

31°

Sun

8/23

Drizzle

60%

17°

29°

Mon

8/24

Drizzle

60%

16°

29°

Tue

8/25

Drizzle

60%

16°

29°

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

59 AQI 13.5 µg/m³

O₃

Ground-level ozone

41 AQI 44 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 59 Moderate 41 59

Wed 41 Good 33 41

Thu 37 Good 37 31

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

SBCAPE669 J/kg

MLCAPE1649 J/kg

MUCAPE2511 J/kg

SBCIN-341 J/kg

MLCIN0 J/kg

Lifted Index-3.8

Kinematics

0–6 km Shear27 kt

0–1 km Shear25 kt

Eff. Shear19 kt

0–1 km SRH114

0–3 km SRH180

Eff. SRH119

Storm Motion310° @ 30 kt

0–1 km EHI0.5

Composite Parameters

Sig. Tornado0.2

STP (eff)0.0

Supercell0.0

K-Index38.7

Thermo & Levels

PWAT1.76 in

0–3 km LR4.6 °C/km

700–500 LR6.9 °C/km

Total Totals52.2

LCL959 hPa

LFC683 hPa

EL239 hPa

Freezing Lvl13,553 ft

Dayton, Ohio

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