🇺🇸 Weather in Dayton
Map Overlays:
Hourly Forecast for Dayton
00:00
23°
11%
01:00
22°
10%
02:00
21°
10%
03:00
20°
12%
04:00
19°
13%
05:00
18°
13%
06:00
17°
11%
07:00
17°
14%
08:00
17°
14%
09:00
17°
9%
10:00
18°
6%
11:00
19°
4%
12:00
21°
2%
13:00
23°
1%
14:00
20°
4%
15:00
21°
7%
16:00
21°
7%
17:00
21°
6%
18:00
21°
7%
19:00
20°
6%
20:00
19°
7%
21:00
17°
8%
22:00
16°
9%
23:00
15°
10%
14-Day Forecast for Dayton
2026-07-21
Sunny
33° /
21°
2026-07-22
Sunny
23° /
15°
2026-07-23
Sunny
24° /
11°
2026-07-24
Sunny
25° /
14°
2026-07-25
Sunny
27° /
15°
2026-07-26
Patchy rain nearby
30° /
18°
2026-07-27
Sunny
30° /
22°
Additional Forecasts for Dayton
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 164.0 μg/m³
O₃ (Ozone) 71.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.6 μg/m³
SO₂ (Sulphur Dioxide) 1.1 μg/m³
PM2.5 (Fine particles) 6.3 μg/m³
PM10 (Coarse particles) 6.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Dayton — FAQ
Answers refreshed each request based on current conditions in Dayton.
What is the weather like right now in Dayton?
Right now in Dayton, United States the temperature is 23.6°C (feels like 25.6°C), with overcast. Relative humidity is 86% and wind is 11.9 km/h.
What is today's high and low temperature in Dayton?
Today's forecast high in Dayton is 32.8°C and the overnight low is 21.2°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Dayton today?
The chance of precipitation in Dayton today is 9%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Dayton differ from nearby cities?
Even short distances can change temperatures noticeably. Dayton's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.