National Weather Service Forecast for: Delaware OH
Issued by: National Weather Service Wilmington, OH
Updated: 4:00 am EDT Jun 22, 2026
 
Overnight

Overnight: Showers and possibly a thunderstorm. Low around 61. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers

 Monday

Monday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. South wind 8 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Monday
Night
Monday Night: Partly cloudy, with a low around 55. North wind 6 to 15 mph.
Partly Cloudy

 Tuesday

Tuesday: Sunny, with a high near 77. North wind 8 to 11 mph.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 79.
Sunny

 Wednesday
Night
Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
 Thursday

Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Lo 61 °F Hi 75 °F Lo 55 °F Hi 77 °F Lo 55 °F Hi 79 °F Lo 62 °F Hi 82 °F Lo 62 °F

Hazardous Weather Outlook
 

Overnight
 
 Showers and possibly a thunderstorm. Low around 61. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. South wind 8 to 15 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Partly cloudy, with a low around 55. North wind 6 to 15 mph.
Tuesday
 
 Sunny, with a high near 77. North wind 8 to 11 mph.
Tuesday Night
 
 Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 79.
Wednesday Night
 
 A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
 
 A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
 
 Mostly sunny, with a high near 81.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Delaware OH.