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National Weather Service Forecast
Forecast issued at 4:00 am EDT Aug 21, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Special Weather Statement

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 623 AM EDT Fri Aug 21 2026 .WHAT HAS CHANGED... No significant changes.
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: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light northeast wind.
Patchy Fog
then Sunny
 Tonight

Tonight: Partly cloudy, with a low around 64. Calm wind.
Partly Cloudy

 Saturday

Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Showers
Likely
 Saturday
Night
Saturday Night: Mostly clear, with a low around 59. Northwest wind 5 to 9 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 77. Northwest wind 5 to 10 mph.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 55.
Mostly Clear

 Monday

Monday: Sunny, with a high near 77.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 57.
Partly Cloudy

 Tuesday

Tuesday: Sunny, with a high near 79.
Sunny
 
Hi 82 °F Lo 64 °F Hi 80 °F Lo 59 °F Hi 77 °F Lo 55 °F Hi 77 °F Lo 57 °F Hi 79 °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: Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light northeast wind.
Patchy Fog
then Sunny
   Hi 82 °F
 
Patchy fog before 9am. Otherwise, sunny, with a high near 82. Light northeast wind. 		 
 
  Tonight

Tonight: Partly cloudy, with a low around 64. Calm wind.
Partly Cloudy

 		  Lo 64 °F
 
Partly cloudy, with a low around 64. Calm wind. 		  Saturday

Saturday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Showers
Likely
 		  Hi 80 °F
 
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. 		 
 
  Saturday
Night
Saturday Night: Mostly clear, with a low around 59. Northwest wind 5 to 9 mph.
Mostly Clear

 		  Lo 59 °F
 
Mostly clear, with a low around 59. Northwest wind 5 to 9 mph. 		  Sunday

Sunday: Sunny, with a high near 77. Northwest wind 5 to 10 mph.
Sunny

 		  Hi 77 °F
 
Sunny, with a high near 77. Northwest wind 5 to 10 mph. 		 
 
  Sunday
Night
Sunday Night: Mostly clear, with a low around 55.
Mostly Clear

 		  Lo 55 °F
 
Mostly clear, with a low around 55. 		  Monday

Monday: Sunny, with a high near 77.
Sunny

 		  Hi 77 °F
 
Sunny, with a high near 77. 		 
 
  Monday
Night
Monday Night: Partly cloudy, with a low around 57.
Partly Cloudy

 		  Lo 57 °F
 
Partly cloudy, with a low around 57. 		  Tuesday

Tuesday: Sunny, with a high near 79.
Sunny

 		  Hi 79 °F
 
Sunny, with a high near 79. 		 
 
  Tuesday Night   Partly cloudy, with a low around 61.   Wednesday   Mostly sunny, with a high near 83.  
 
  Wednesday Night   A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.   Thursday   A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.  
 
 
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