Rain forecast and rainfall this year
Dayton, OH
No rain expected today.
Updated Monday 3:06 PM ET.
Forecast
0 percent chance of rain
TodayHigh 62°, low 39°No rain expected
1 percent chance of rain
TomorrowHigh 66°, low 42°No rain expected
Today in Dayton
This year so far, since Jan 1
43.58 in
+7.45 in above normal for this point in the year (36.13 in).
National rank42nd of 363
In Ohio3rd of 6
Biggest day2.65 in, May 23
Last measurable rain0.74 in, Nov 4, 2026
Month by month
Jan2.01
Feb1.44
Mar5.96
Apr3.07
May10.31
Jun2.60
Jul2.99
Aug8.73
Sep4.18
Oct1.39
Nov0.90
Dec–
This yearNormal
Records since 1911
Wettest year59.75 in, 1990
Biggest rain day4.16 in, Jan 21, 1959
Nearby cities
- CincinnatiOH59.68 in this year47 miles
- ColumbusOH46.57 in this year66 miles
- Fort WayneIN34.74 in this year103 miles
- IndianapolisIN37.83 in this year103 miles
- LexingtonKY40.38 in this year121 miles
More Dayton weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Dayton International Airport station, recorded since 1911; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Weather Scoreboard is not affiliated with the National Weather Service or NOAA.