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National Weather Service Forecast
Forecast issued at 4:33 pm EDT Apr 18, 2026 by the National Weather Service Wilmington, OH
Hazardous Weather Outlook
Frost Advisory

Forecast Discussion for ILN NWS Office Area Forecast Discussion National Weather Service Wilmington OH 503 PM EDT Sat Apr 18 2026 .WHAT HAS CHANGED... Freezing temperatures possible Sunday night. Cooler temperatures tonight through Tuesday morning, with a rebound expected for the remainder of next week.
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
 
Tonight

Tonight: A chance of showers, mainly before midnight.  Cloudy early, then gradual clearing, with a low around 37. Northwest wind 8 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Slight Chance
Showers
Sunday

Sunday: Patchy frost before 9am.  Otherwise, increasing clouds, with a high near 59. West wind 6 to 16 mph, with gusts as high as 30 mph.
Patchy Frost
then
Increasing
Clouds
Sunday
Night
Sunday Night: Areas of frost after 4am.  Otherwise, partly cloudy, with a low around 34. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Mostly Cloudy
then Areas
Frost
Monday

Monday: Areas of frost before 9am.  Otherwise, sunny, with a high near 56. North wind around 6 mph.
Areas Frost
then Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Mostly Clear

Tuesday

Tuesday: Mostly sunny, with a high near 74.
Mostly Sunny

Tuesday
Night
Tuesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
Wednesday

Wednesday: A chance of showers before 8am.  Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Chance
Showers then
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear

 
Lo 37 °F Hi 59 °F Lo 34 °F Hi 56 °F Lo 37 °F Hi 74 °F Lo 56 °F Hi 76 °F Lo 54 °F
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48 hour temperature forecast
 
7 DAY HOURLY FORECAST TABLES & GRAPHS
 
Tonight through Friday Night
 
  Tonight

Tonight: A chance of showers, mainly before midnight.  Cloudy early, then gradual clearing, with a low around 37. Northwest wind 8 to 10 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Slight Chance
Showers
  Lo 37 °F
 
A chance of showers, mainly before midnight. Cloudy early, then gradual clearing, with a low around 37. Northwest wind 8 to 10 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
 
 
  Sunday

Sunday: Patchy frost before 9am.  Otherwise, increasing clouds, with a high near 59. West wind 6 to 16 mph, with gusts as high as 30 mph.
Patchy Frost
then
Increasing
Clouds
  Hi 59 °F
 
Patchy frost before 9am. Otherwise, increasing clouds, with a high near 59. West wind 6 to 16 mph, with gusts as high as 30 mph.
  Sunday
Night
Sunday Night: Areas of frost after 4am.  Otherwise, partly cloudy, with a low around 34. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Mostly Cloudy
then Areas
Frost
  Lo 34 °F
 
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
 
 
  Monday

Monday: Areas of frost before 9am.  Otherwise, sunny, with a high near 56. North wind around 6 mph.
Areas Frost
then Sunny

  Hi 56 °F
 
Areas of frost before 9am. Otherwise, sunny, with a high near 56. North wind around 6 mph.
  Monday
Night
Monday Night: Mostly clear, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
Mostly Clear

  Lo 37 °F
 
Mostly clear, with a low around 37. Calm wind becoming southeast around 5 mph after midnight.
 
 
  Tuesday

Tuesday: Mostly sunny, with a high near 74.
Mostly Sunny

  Hi 74 °F
 
Mostly sunny, with a high near 74.
  Tuesday
Night
Tuesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Showers
  Lo 56 °F
 
A chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
 
 
  Wednesday

Wednesday: A chance of showers before 8am.  Mostly sunny, with a high near 76. Chance of precipitation is 30%.
Chance
Showers then
Mostly Sunny
  Hi 76 °F
 
A chance of showers before 8am. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
  Wednesday
Night
Wednesday Night: Mostly clear, with a low around 54.
Mostly Clear

  Lo 54 °F
 
Mostly clear, with a low around 54.
 
 
  Thursday   Sunny, with a high near 82.   Thursday Night   Partly cloudy, with a low around 60.  
 
  Friday   A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.   Friday Night   Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.  
 
 
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