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National Weather Service Forecast
Forecast issued at 8:44 am EDT Sep 4, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Heat Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 532 AM EDT Fri Sep 4 2026 .WHAT HAS CHANGED... Heat Advisory expanded farther north on Friday.
See Full Discussion Here
4    D A Y    F O R E C A S T    A T    A    G L A N C E
 
Today

Today: Sunny, with a high near 95. Heat index values as high as 104. West wind 5 to 8 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

 Saturday

Saturday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
Showers
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 66. Northeast wind 5 to 8 mph.
Partly Cloudy

 Sunday

Sunday: Sunny, with a high near 82. Northeast wind 7 to 10 mph.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 59.
Mostly Clear

 Labor
Day
Labor Day: Sunny, with a high near 85.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 64.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 88.
Mostly Sunny
 
Hi 95 °F Lo 73 °F Hi 91 °F Lo 66 °F Hi 82 °F Lo 59 °F Hi 85 °F Lo 64 °F Hi 88 °F
48 Hour Temperature and Dew Point Forecast
DEW POINT: 60-64=Slightly Humid, 65-69=Humid, 70-74=Very Humid, 75-79=Oppressively Humid, 80 & Greater=Very Oppressively Humid
48 hour temperature forecast
48 Hour Precipitation Potential and Sky Cover Forecast
48 hour temperature forecast
48 Hour Rain and Thunder Forecast
48 hour precipitation forecast
48 Hour Snow Freezing Rain and Sleet Forecast
48 hour forecast
48 Hour Wind Forecast
48 hour temperature forecast
 
7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Today through Thursday
 
  Today

Today: Sunny, with a high near 95. Heat index values as high as 104. West wind 5 to 8 mph.
Sunny

   Hi 95 °F
 
Sunny, with a high near 95. Heat index values as high as 104. West wind 5 to 8 mph. 		 
 
  Tonight

Tonight: Mostly clear, with a low around 73. Calm wind.
Mostly Clear

 		  Lo 73 °F
 
Mostly clear, with a low around 73. Calm wind. 		  Saturday

Saturday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
Showers
 		  Hi 91 °F
 
A chance of showers and thunderstorms before 4pm, then a slight chance of showers after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		 
 
  Saturday
Night
Saturday Night: Partly cloudy, with a low around 66. Northeast wind 5 to 8 mph.
Partly Cloudy

 		  Lo 66 °F
 
Partly cloudy, with a low around 66. Northeast wind 5 to 8 mph. 		  Sunday

Sunday: Sunny, with a high near 82. Northeast wind 7 to 10 mph.
Sunny

 		  Hi 82 °F
 
Sunny, with a high near 82. Northeast wind 7 to 10 mph. 		 
 
  Sunday
Night
Sunday Night: Mostly clear, with a low around 59.
Mostly Clear

 		  Lo 59 °F
 
Mostly clear, with a low around 59. 		  Labor
Day
Labor Day: Sunny, with a high near 85.
Sunny

 		  Hi 85 °F
 
Sunny, with a high near 85. 		 
 
  Monday
Night
Monday Night: Partly cloudy, with a low around 64.
Partly Cloudy

 		  Lo 64 °F
 
Partly cloudy, with a low around 64. 		  Tuesday

Tuesday: Mostly sunny, with a high near 88.
Mostly Sunny

 		  Hi 88 °F
 
Mostly sunny, with a high near 88. 		 
 
  Tuesday Night   Partly cloudy, with a low around 70.   Wednesday   Mostly sunny, with a high near 93.  
 
  Wednesday Night   Partly cloudy, with a low around 72.   Thursday   A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 30%.  
 
 
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