Dayton, OH 45490 Weather

Montgomery County1:08 AM EDT39.75°N, 84.27°W

Current conditions

Clear
48°
Clear
Feels like 45°
High 70°·Low 43° tonight
WindENE 8 mph
Humidity71%
Dew point39°
Pressure30.31 inHg
Visibility10 mi
Cloud cover3%
UV index0 Low
Sunrise7:54 AM
Sunset6:51 PM

Observed at Dayton, Cox Dayton International Airport · 43 min ago

Forecast

10-day

  • Tonight

    Clear, with a low around 43. Northeast wind 1 to 5 mph.

  • Wednesday

    Sunny, with a high near 70. Northeast wind 0 to 6 mph.

  • Wednesday Night

    Mostly clear, with a low around 44. North wind around 5 mph.

National Weather Service forecast updated 9 hrs ago.

Hourly

Hourly forecast
  1. Now Clear 48°
  2. 2 AM Clear 47°
  3. 3 AM Clear 46°
  4. 4 AM Mostly Clear 46°
  5. 5 AM Mostly Clear 45°
  6. 6 AM Sunny 44°
  7. 7 AM Sunny 44°
  8. 8 AM Mostly Sunny 43°
  9. 9 AM Mostly Sunny 47°
  10. 10 AM Sunny 52°
  11. 11 AM Sunny 57°
  12. 12 PM Sunny 62°
  13. 1 PM Sunny 65°
  14. 2 PM Sunny 68°
  15. 3 PM Sunny 69°
  16. 4 PM Sunny 69°
  17. 5 PM Sunny 70°
  18. 6 PM Clear 67°
  19. 7 PM Clear 64°
  20. 8 PM Clear 58°
  21. 9 PM Clear 54°
  22. 10 PM Clear 52°
  23. 11 PM Clear 51°
  24. Thu12 AM Mostly Clear 49°

10-day forecast

Details
  1. TonightOct 20 Clear Clear43°
  2. TodayOct 21 Sunny Sunny44°70°
  3. ThuOct 22 Sunny Sunny45°69°
  4. FriOct 23 Sunny Sunny40°67°
  5. SatOct 24 Sunny Sunny43°69°
  6. SunOct 25 Mostly Sunny Mostly Sunny47°73°
  7. MonOct 26 Mostly Sunny Mostly Sunny47°72°
  8. TueOct 27 Mostly Sunny Mostly Sunny64°
  9. WedOct 28 Light rain Light rain0.08 in39°50°
  10. ThuOct 29 Sunny Sunny34°54°

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

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news near Dayton

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Air quality

44
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • WedGood (44)
  • ThuGood (44)
  • FriGood (39)

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 7:54 AM
Sunset 6:51 PM
Daylight 10 h 56 min (−2 min 27 s tomorrow)
Waxing Gibbous · 74% lit
Moonrise 4:29 PM Moonset 2:57 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low64° / 44°
Record high85° (1953)
Record low23° (1974)
Wettest1.99 in (1929)
Month to date1.39 in (normal 1.92 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 6 hrs ago

What Has Changed

Added fog in for tonight. Lowered temperatures and added frost into portions of central Ohio for Wednesday night.

Key Messages

1) Fog will be possible across portions of the region overnight.

2) High pressure will persist over the region through the week and into the weekend, bringing dry and seasonable conditions.

Discussion

Key Message 1)

With flow off of the lake, there will be the potential for some stratus and fog across northern and northwestern portions of the region overnight and into the daytime morning hours on Wednesday. In addition there will be the potential for river valley fog as well.

Key Message 2)

Dry conditions are expected through the week. Highs are expected to generally be in the 60s and 70s with lows in the 30s and 40s. Some patchy frost will be possible across central Ohio Wednesday night and Friday night.

Aviation

Calm and clear conditions tonight could lead to some BR/FG formation prior to sunrise. Any visibility restrictions mix out during the morning hours. Light northerly winds develop by Wednesday afternoon.

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.