Dayton, Ohio

Last updated: 2:20 AM CDT  ·  Refresh
20°C
Feels like 21°
Partly Cloudy
▲ 24°  /  ▼ 14°
Wind
7 mph NNW
Humidity
84%
Dew Point
18°
Pressure
28.99 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
40%
Sunrise
6:27 AM
Sunset
8:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Dayton is currently partly cloudy at 20°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:27AM · Sunset: 8:59PM.

Alerts

No active alerts for this location.
59 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
20°
8%
4 AM
19°
3%
5 AM
19°
3%
6 AM
17°
3%
7 AM
16°
3%
8 AM
16°
3%
9 AM
17°
3%
10 AM
18°
3%
11 AM
19°
3%
12 PM
21°
3%
1 PM
22°
3%
2 PM
23°
3%
3 PM
23°
3%
4 PM
23°
3%
5 PM
23°
3%
6 PM
23°
3%
7 PM
23°
3%
8 PM
22°
3%
9 PM
21°
3%
10 PM
19°
3%
11 PM
18°
3%
12 AM
18°
3%
1 AM
18°
3%
2 AM
18°
3%
7-Day Forecast
Today
24° 14°
Mostly Clear.
Thu
26° 14°
Mostly Clear.
Fri
27° 16°
Mostly Cloudy.
Sat
27° 16°
Mostly Cloudy with a 30% chance of rain.
Sun
32° 19°
Thunderstorm, 82% chance.
Mon
32° 22°
Rain, 90% chance.
Tue
33° 21°
Thunderstorm, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 20° Partly Cloudy 8% 7 mph NNW 84%
4 AM 19° Mostly Clear 3% 8 mph N 83%
5 AM 19° Mostly Clear 3% 8 mph N 83%
6 AM 17° Mostly Clear 3% 8 mph N 82%
7 AM 16° Mostly Clear 3% 8 mph N 80%
8 AM 16° Mostly Clear 3% 9 mph N 78%
9 AM 17° Mostly Clear 3% 9 mph N 73%
10 AM 18° Mostly Clear 3% 9 mph N 69%
11 AM 19° Clear 3% 8 mph N 65%
12 PM 21° Clear 3% 8 mph N 62%
1 PM 22° Clear 3% 8 mph NNW 59%
2 PM 23° Mostly Clear 3% 8 mph NNW 56%
3 PM 23° Mostly Clear 3% 9 mph NNW 55%
4 PM 23° Partly Cloudy 3% 9 mph NNW 54%
5 PM 23° Partly Cloudy 3% 9 mph NNW 54%
6 PM 23° Partly Cloudy 3% 8 mph NNW 56%
7 PM 23° Partly Cloudy 3% 7 mph NNW 59%
8 PM 22° Partly Cloudy 3% 6 mph NNW 62%
9 PM 21° Partly Cloudy 3% 6 mph NNW 66%
10 PM 19° Partly Cloudy 3% 5 mph NNW 69%
11 PM 18° Mostly Clear 3% 5 mph NNW 72%
12 AM 18° Mostly Clear 3% 5 mph NNW 74%
1 AM 18° Mostly Clear 3% 5 mph NNW 76%
2 AM 18° Mostly Clear 3% 5 mph NNW 78%
15-Day Forecast
Today
7/22
Mostly Clear
8%
14°
24°
Thu
7/23
Mostly Clear
3%
14°
26°
Fri
7/24
Mostly Cloudy
3%
16°
27°
Sat
7/25
Mostly Cloudy
30%
16°
27°
Sun
7/26
Thunderstorm
82%
19°
32°
Mon
7/27
Rain
90%
22°
32°
Tue
7/28
Thunderstorm
53%
21°
33°
Wed
7/29
Drizzle
43%
17°
29°
Thu
7/30
Drizzle
44%
14°
28°
Fri
7/31
Drizzle
51%
16°
27°
Sat
8/1
Drizzle
60%
17°
29°
Sun
8/2
Drizzle
60%
17°
29°
Mon
8/3
Drizzle
60%
17°
29°
Tue
8/4
Drizzle
60%
18°
30°
Wed
8/5
Drizzle
60%
19°
31°
59
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
PM2.5
Fine particulate matter
Dominant
59 AQI 13.5 µg/m³
O3
Ground-level ozone
43 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 59 Moderate 43 59
Thu 32 Good 32 7
Fri 44 Good 44 19
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. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 22, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN-6877 J/kg
MLCIN0 J/kg
Lifted Index2.5
Kinematics
0–6 km Shear40 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH-82
0–3 km SRH-100
Eff. SRH—
Storm Motion257° @ 27 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index16.3
Thermo & Levels
PWAT0.97 in
0–3 km LR4.6 °C/km
700–500 LR5.2 °C/km
Total Totals35.7
LCL944 hPa
LFC—
EL—
Freezing Lvl14,636 ft