Weather in Dayton Today
Current temperature in Dayton: 23°C (73°F). Overcast. Today's high 28°C (82°F), low 17°C (63°F).
Today's Daylight Forecast
Moon & Islamic Calendar
Air quality and UV are both favourable great conditions for a walk, run, or outdoor activity.
5-Day Weather Forecast
Full 15-Day ForecastAtmospheric Details
Today vs Normal
The long-term average high for today is 26°C.
12 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Health & Activity Advice
UV index is 6 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Conditions are comfortable for outdoor activity at most points during the day today.
Nearby Regional Outlook
Dayton Weather Radar
Live precipitation · Cloud cover · Wind
Frequently Asked Questions
What is the hottest month in Dayton?
The hottest month in Dayton is typically July, with daytime highs averaging around 29.1°C (84°F), based on 10 years of historical weather data. Overnight lows during this period average near 19.7°C (67°F).
What is the coldest month in Dayton?
The coldest month in Dayton is typically January, with overnight lows averaging around -4.8°C (23°F) and daytime highs near 2.9°C (37°F), based on 10 years of historical weather data. Freezing overnight temperatures are common during this month, so plan for icy conditions in the early morning.
Does Dayton have a rainy season?
Dayton doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. May is the wettest month on average (about 124 mm), while September is the driest (about 73 mm).
What's the best time of year to visit Dayton?
The best time to visit Dayton is typically September to October, when daytime highs average a comfortable 22.4°C (72°F). Rainfall during this window averages around 76 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.
Is Dayton's air quality safe right now?
As of the latest reading, Dayton's air quality index (AQI) is 18, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.