Skip to main content
Every US forecast, compared
checkweather.io
CheckWeather USDayton
Forecast confidence: High · models disagree by 2°F

Dayton weather

Loading live data…

Thunderstorm,cooler tomorrow

NWS, the American and the European model agree on a high near 86° in Dayton today. Tomorrow looks cloudy around 79°, with a 24% chance of rain.

86°69°
79°64°
82°60°
88°65°
92°72°
79°69°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
NWSNational Blend (NBM)
73°
Clear
Feels 73° · Wind 10 mph · Humidity 67%
AmericanNOAA GFS
74°
Clear
Feels 72° · Wind 7 mph · Humidity 50%
EuropeanECMWF
72°
Clear
Feels 73° · Wind 8 mph · Humidity 69%

Latest for Dayton: NWS (National Blend (NBM)): 73° Clear · American (NOAA GFS): 74° Clear · European (ECMWF): 72° Clear.

The weather map: all three models at once

NWS, American, European side by side around Dayton and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Thunderstorm
86° 69°
models agree
Tomorrow
Cloudy
79° 64°
models agree
Mon
Cloudy
82° 60°
models agree
Tue
Cloudy
88° 65°
models agree
Wed
Partly cloudy
92° 72°
models agree
Thu
Drizzle
79° 69°
models agree
Fri
Mostly clear
81° 61°
±11°
Sat
Mostly clear
83° 64°
±4°
Sun
Mostly clear
88° 68°
±7°
Mon
Light drizzle
83° 65°
±18°
Tue
Light drizzle
76° 59°
±10°
Wed
Cloudy
70° 54°
models agree
Thu
Clear
71° 52°
models agree
Fri
Clear
73° 53°
models agree

Dayton, OH is at its warmest in Jul (average highs near 84°F) and coldest in Jan (lows around 27°F), with roughly 43 in of precipitation across the year. Below, compare what NWS, American, European forecast for Dayton right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Dayton climate by month

average daytime high and overnight low across a typical year
Jan
40°
27°
Feb
50°
30°
Mar
54°
34°
Apr
64°
44°
May
74°
55°
Jun
81°
62°
Jul
84°
66°
Aug
83°
64°
Sep
79°
59°
Oct
67°
48°
Nov
54°
38°
Dec
45°
32°

Which forecast is most accurate in Dayton?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
97
/100rank #1
93±0.7°F98±0.6 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
72
/100rank #2
79±2.1°F96±1.3 mph4771% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°86° to 87°±45%45% to 90% chance
Tomorrow±2°78° to 80°±21%3% to 24% chance
Mon±2°81° to 83°±2%0% to 2% chance
Tue±2°86° to 89°±5%1% to 6% chance
Wed±1°91° to 92°±6%24% to 30% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Dayton

today, local time
Sunrise
07:08
Sunset
20:02
Daylight
12h 54m

Common questions

What's the weather in Dayton today?
On this page we show what NWS, American, European each forecast for Dayton today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Dayton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Dayton and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Dayton?
Over the last 30 days, the European model has been the most accurate for Dayton (CheckWeather Score 97/100), ahead of the American at 72. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Dayton?
July is typically the warmest month in Dayton, with average highs around 84°F.
How cold does Dayton get?
The coldest month in Dayton is January, when overnight lows average about 27°F.
How much rain does Dayton get?
Dayton sees roughly 43 in of precipitation a year, with April usually the wettest month.

Nearby

More US weather