News Headlines
Hazardous Weather Conditions
Current conditions at
Dayton, Cox Dayton International Airport (KDAY)
Lat: 39.91°NLon: 84.22°WElev: 1007ft.
Fog/Mist
65°F
18°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.93 in (1013.0 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 6.00 mi |
| Last update | 12 Aug 11:56 pm EDT |
Extended Forecast for
Vandalia OH
Flood Watch August 13, 12:24am until August 14, 11:00am
NOW until 11:00am Fri
Flood Watch
Overnight
Low: 67 °F
Chance
Showers and
Patchy FogThursday
High: 83 °F
Patchy Fog
then Chance
T-stormsThursday Night
Low: 68 °F
Chance
T-storms then
Showers
LikelyFriday
High: 84 °F
Showers
LikelyFriday Night
Low: 67 °F
Chance
T-stormsSaturday
High: 86 °F
Chance
T-stormsSaturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Overnight
A slight chance of showers and thunderstorms before 4am, then a chance of showers between 4am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. Light southwest wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. North wind around 5 mph becoming east in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vandalia OH
39.9°N 84.19°W (Elev. 919 ft)
39.9°N 84.19°W (Elev. 919 ft)
7:03 pm EDT Aug 12, 2026
12am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
