Weather alerts in Dayton, Ohio today
National Weather Service
Official Freeze Watch in effect for Dayton.
What it means
- Freeze or cold: protect sensitive plants, pets and outdoor pipes. In extreme cold, dress in layers, limit time outdoors and use space heaters and generators safely.
Always follow your local National Weather Service office and local officials. Details below.
Official weather alerts for Dayton
Freeze Watch until Sun, Oct 18, 9:00 AM EDT
Freeze Watch issued October 16 at 1:30PM EDT until October 18 at 9:00AM EDT by NWS Wilmington OH
Wayne; Fayette; Union; Franklin; Ripley; Dearborn; Ohio; Switzerland; Carroll; Gallatin; Boone; Kenton; Campbell; Owen; Grant; Pendleton; Bracken; Robertson; Mason; Lewis; Hardin; Mercer; Auglaize; Darke; Shelby; Logan; Union; Delaware; Miami; Champaign; Clark; Madison; Franklin; Licking; Preble; Montgomery; Greene; Fayette; Pickaway; Fairfield; Butler; Warren; Clinton; Ross; Hocking; Hamilton; Clermont; Brown; Highland; Adams; Pike; Scioto
Full text from the National Weather Service
FREEZE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING
* WHAT...Sub-freezing temperatures in the upper 20s to lower 30s possible. * WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation.
Instructions: Be prepared to take steps to protect tender plants from the cold.
Official NWS page · NWS Wilmington OH
Storm Prediction Center · today's severe-storm outlook · issued 1 h ago
Dayton is outside today's thunderstorm and severe-storm areas.
Official SPC Day 1 Convective Outlook (NOAA), valid until Sat, Oct 17, 8:00 AM EDT. It shows the chance of severe storms in the area, not a warning for your street. SPC outlook
U.S. Drought Monitor · map of October 13
No drought, but 3.9% of Ohio is abnormally dry.
Share of the state's area. Updated every Thursday by the U.S. Drought Monitor (National Drought Mitigation Center, USDA and NOAA). Drought builds over weeks and months: one rainy day rarely ends it.
Weather in Dayton now
Rain forecast for Dayton · next days
Automatic forecast from a computer model (MET Norway, data CC BY 4.0). Not an official alert: for watches and warnings, follow National Weather Service.
What do the inches mean?
As a rough guide: under a quarter inch in a day is light rain; 1 to 2 inches is a heavy downpour; more than 2 inches in a day is very heavy rain that can flood low-lying areas and roads.
Several rainy days in a row saturate the ground: even a modest storm can then cause flash flooding and rising rivers.
What is normal in October in Dayton
changing season Fall: usually calmer, with occasional severe storms along autumn cold fronts. The first freeze and snow arrive by November.
El Niño is under way, and NOAA expects it to be strong (NOAA, October 8, 2026).
In the Midwest it tends to bring a milder winter with less snow, especially in the north.
These are general tendencies: every year is different, and your local forecast comes first.
Typical climate per NOAA and regional weather services. It describes the season, not the forecast for a given day.