Ohio · NWS ILN office

Miamisburg, OH weather

It is 54°F and clear at Dayton, Dayton-Wright Brothers Airport as of Oct 28, 5:15 AM EDT. Overnight: Mostly Cloudy, low near 51°F. Forecast from the National Weather Service, issued Oct 28, 4:00 AM EDT.

Updated Oct 28, 5:30 AM EDT (snapshot)

Current conditions

Temperature

54°F

Clear

Wind

Calm

Humidity 77% · dew point 46°F

Pressure · visibility

30.26 inHg

Visibility 10 mi

Observed at Dayton, Dayton-Wright Brothers Airport (KMGY), Oct 28, 5:15 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Miamisburg forecast zone right now.

Around the NWS ILN forecast area

No active alerts in zones served by the ILN office near Miamisburg.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Ohio.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Miamisburg (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM52°FMostly Cloudy0%SE 1 mph
Wed 6 AM51°FPartly Sunny0%SE 1 mph
Wed 7 AM51°FMostly Sunny0%S 1 mph
Wed 8 AM51°FMostly Sunny0%S 1 mph
Wed 9 AM53°FSunny0%S 2 mph
Wed 10 AM59°FSunny0%S 2 mph
Wed 11 AM64°FSunny0%S 2 mph
Wed 12 PM68°FSunny0%SW 3 mph
Wed 1 PM72°FSunny0%SW 3 mph
Wed 2 PM74°FSunny0%SW 5 mph
Wed 3 PM75°FSunny0%SW 5 mph
Wed 4 PM76°FSunny0%SW 5 mph
Wed 5 PM75°FSunny0%SW 5 mph
Wed 6 PM73°FClear0%S 3 mph
Wed 7 PM69°FClear0%S 2 mph
Wed 8 PM63°FClear1%SE 2 mph
Wed 9 PM61°FClear1%SE 2 mph
Wed 10 PM59°FClear1%S 2 mph
Wed 11 PM58°FClear0%S 2 mph
Thu 12 AM56°FClear0%S 2 mph
Thu 1 AM55°FClear0%S 2 mph
Thu 2 AM54°FClear0%S 2 mph
Thu 3 AM53°FClear1%S 2 mph
Thu 4 AM53°FClear1%S 3 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Miamisburg can differ.

7-day forecast

Overnight

Low 51°F

Mostly cloudy, with a low around 51. Southeast wind around 1 mph.

Wednesday

High 76°F·Low 51°F

Sunny, with a high near 76. South wind 1 to 5 mph.

Wednesday Night: Clear, with a low around 51. South wind around 3 mph.

Thursday

High 77°F·Low 52°F

Sunny, with a high near 77. Southwest wind 3 to 12 mph.

Thursday Night: Mostly clear, with a low around 52. West wind 2 to 9 mph.

Friday

High 73°F·Low 50°F

Sunny, with a high near 73.

Friday Night: Mostly cloudy, with a low around 50.

Saturday

High 71°F·Low 53°F

Mostly cloudy, with a high near 71.

Saturday Night: A slight chance of rain after 1am. Cloudy, with a low around 53.

Sunday

High 70°F·Low 54°F

A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

Sunday Night: A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

Monday

High 70°F·Low 55°F

A chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.

Monday Night: A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

Tuesday

High 71°F

Rain likely. Mostly cloudy, with a high near 71.

Nearby cities

Larger cities in the area

Other cities in Montgomery County

See every city we cover in Ohio, or check all active alerts.

About this forecast

Forecast office
Miamisburg is served by the National Weather Service ILN forecast office, forecast zone OHZ061, county zone OHC113.
Location used
The Census Bureau's internal point for Miamisburg (39.6309, -84.2707), in Montgomery County. Population: 20,253 (2024 estimate), number 85 of the 86 Ohio cities on this site.
Radar
Nearest NWS radar: KILN. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/39.6309,-84.2707 (forecast issued Oct 28, 4:00 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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