Dayton, OH Weather

Montgomery County2:31 AM EDT39.76°N, 84.19°WElevation 738 ft

Current conditions

Patchy Fog
46°
Patchy Fog
Feels like 46°
High 70°·Low 42° tonight
WindCalm
Humidity89%
Dew point43°
Pressure30.26 inHg
Visibility7.0 mi
Cloud cover2%
UV index0 Low
Sunrise7:56 AM
Sunset6:48 PM

Observed at Dayton / Wright-Patterson Air Force Base · 1 hr ago

Forecast

10-day
  • Overnight

    Clear, with a low around 42. Northeast wind around 2 mph.

  • Friday

    Sunny, with a high near 70. East wind 2 to 7 mph.

  • Friday Night

    Mostly clear, with a low around 41. East wind 2 to 6 mph.

National Weather Service forecast updated 10 hrs ago.

  1. Now Clear 46°
  2. 3 AM Clear 45°
  3. 4 AM Clear 44°
  4. 5 AM Clear 43°
  5. 6 AM Sunny 43°
  6. 7 AM Sunny 42°
  7. 8 AM Sunny 42°
  8. 9 AM Sunny 46°
  9. 10 AM Sunny 53°
  10. 11 AM Sunny 58°
  11. 12 PM Sunny 62°
  12. 1 PM Sunny 66°
  13. 2 PM Sunny 68°
  14. 3 PM Sunny 69°
  15. 4 PM Sunny 70°
  16. 5 PM Sunny 69°
  17. 6 PM Clear 67°
  18. 7 PM Mostly Clear 62°
  19. 8 PM Mostly Clear 57°
  20. 9 PM Mostly Clear 54°
  21. 10 PM Mostly Clear 52°
  22. 11 PM Partly Cloudy 50°
  23. Sat12 AM Partly Cloudy 49°
  24. 1 AM Mostly Clear 47°

10-day forecast

Details
  1. TonightOct 22 Clear Clear42°
  2. TodayOct 23 Sunny Sunny41°70°
  3. SatOct 24 Sunny Sunny43°70°
  4. SunOct 25 Sunny Sunny45°73°
  5. MonOct 26 Mostly Sunny Mostly Sunny48°74°
  6. TueOct 27 Partly Sunny Partly Sunny46°69°
  7. WedOct 28 Partly Sunny Partly Sunny47°69°
  8. ThuOct 29 Mostly Sunny then Slight Chance Rain Showers Mostly Sunny then Slight Chance Rain Showers15%71°
  9. FriOct 30 Cloudy Cloudy44°60°
  10. SatOct 31 Cloudy Cloudy0.09 in39°61°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news near Dayton

More weather news
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    WKEF·1 day ago
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  • Wisconsin 360 + First Alert Weather for Monday, Oct. 19

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  • Sunny skies expected this week with slightly above normal temps

    A timelapse video of the early morning sunrise in downtown Dayton on Oct. 19, 2026. Cooler temperatures are in this workweek’s forecast, bringing a mixture of upper 60s and lower 70s to the region. The National Weather…

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  • Some frost possible tonight ahead of a sunny week

    DAYTON — Good evening to all of you this Sunday. Meteorologist Nick Dunn here with you on what has been a very nice day after frost this morning. As expected, we rebounded nicely into the lower and even middle 60s. A…

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  • Frosty Monday morning, staying cool and sunny this week

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Air quality

60
Moderate
Fine particles (PM2.5)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • FriModerate (67)
  • SatModerate (61)
  • SunModerate (56)

Dayton, OH reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:56 AM
Sunset 6:48 PM
Daylight 10 h 51 min (−2 min 26 s tomorrow)
Waxing Gibbous · 90% lit
Moonrise 5:13 PM Moonset 5:05 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low63° / 44°
Record high83° (1947)
Record low25° (1982)
Wettest1.65 in (1909)
Month to date1.39 in (normal 2.10 in)

Dayton Area, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in ILN, issued 7 hrs ago

What Has Changed

Reduced afternoon dewpoints and added in river valley fog overnight the next few days. Reduced overnight low temperatures in the cool spots east of Columbus the next few nights and added in frost.

Key Messages

1) Dry conditions will persist through at least early next week.

Discussion

KEY MESSAGE 1)

Dry conditions are expected into the middle of next week at this time. Expect several continued days of similar conditions. Reduced afternoon dewpoints the next few days and also added in river valley fog. There will be the potential again tonight for some fog across northern portions of the region as well. Reduced temperatures the next few nights as well as temperatures have been coming in cooler than the NBM. Especially reduced temperatures across central Ohio east of Columbus in the typical cool spots. While a few cool spots elsewhere will have the potential for frost, limited most of the frost mention to portions of central Ohio east of Columbus. Will add frost mention in the HWO as well.

Aviation

Aside from some river valley fog at KLUK, a nne wind around 4kt tonight will become more ene and increase to 6-7kt tomorrow under generally clear skies. Opted to run with the higher values as such a small increase in both direction and strength are operationally insignificant.

OUTLOOK...No significant weather expected.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.