Dayton, OH 45459 Weather

Montgomery County2:37 AM EDT39.65°N, 84.17°W

Current conditions

Clear
48°
Clear
Feels like 46°
High 70°·Low 42° tonight
WindENE 6 mph
Humidity81%
Dew point43°
Pressure30.26 inHg
Visibility10 mi
Cloud cover3%
UV index0 Low
Sunrise7:56 AM
Sunset6:48 PM

Observed at Dayton, Dayton-Wright Brothers Airport · 1 hr ago

Forecast

10-day

  • Tonight

    Clear, with a low around 42. Northeast wind 2 to 6 mph.

  • Friday

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

  • Friday Night

    Mostly clear, with a low around 42. East wind 2 to 6 mph.

National Weather Service forecast updated 14 hrs ago.

Hourly

Hourly forecast
  1. Now Clear 46°
  2. 3 AM Clear 46°
  3. 4 AM Mostly Clear 45°
  4. 5 AM Mostly Clear 44°
  5. 6 AM Sunny 43°
  6. 7 AM Sunny 43°
  7. 8 AM Sunny 42°
  8. 9 AM Sunny 46°
  9. 10 AM Sunny 53°
  10. 11 AM Sunny 59°
  11. 12 PM Sunny 63°
  12. 1 PM Sunny 67°
  13. 2 PM Sunny 69°
  14. 3 PM Sunny 70°
  15. 4 PM Sunny 70°
  16. 5 PM Sunny 69°
  17. 6 PM Mostly Clear 68°
  18. 7 PM Mostly Clear 63°
  19. 8 PM Mostly Clear 57°
  20. 9 PM Mostly Clear 55°
  21. 10 PM Mostly Clear 53°
  22. 11 PM Partly Cloudy 50°
  23. Sat12 AM Mostly Clear 49°
  24. 1 AM Partly Cloudy 48°

10-day forecast

Details
  1. ThuOct 22 Sunny Sunny42°70°
  2. TodayOct 23 Sunny Sunny42°70°
  3. SatOct 24 Sunny Sunny43°71°
  4. SunOct 25 Sunny Sunny45°73°
  5. MonOct 26 Mostly Sunny Mostly Sunny47°73°
  6. TueOct 27 Partly Sunny Partly Sunny48°70°
  7. WedOct 28 Partly Sunny Partly Sunny46°68°
  8. ThuOct 29 Rain Rain0.08 in45°69°
  9. FriOct 30 Sunny Sunny38°52°
  10. SatOct 31 Cloudy Cloudy34°58°

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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    WHIO TV 7 and WHIO Radio·1 day ago
  • Temperatures stay mild despite a slight cool down starting Thursday

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    WKEF·1 day ago
  • Very quiet weather ahead this week

    DAYTON, OH — This could prove to be one of the driest stretches of weather so far this year. We’ve been dry now for 4 days. We have no rain in the forecast for at least the next 7 days. Eleven days with no precipitation…

    WHIO TV 7 and WHIO Radio·1 day ago
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  • Wisconsin 360 + First Alert Weather for Monday, Oct. 19

    WMTV 15 NEWS Wisconsin 360 + First Alert Weather for Monday, Oct. 19 West Dayton Street eastbound to close starting on Monday, Oct. 26 Dane County hears testimony on $946.8M budget as Journey warns mandated crisis care…

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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

    DAYTON, Ohio (WKEF) -- A frost advisory is in effect for the area though 9 AM Monday morning. Frost is a possibility for parts of the Miami Valley Monday morning with temperatures likely to drop into the lower 30s…

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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.