NWS Forecast for Delaware OH

National Weather Service Forecast for: Delaware OH
Issued by: National Weather Service Wilmington, OH

Updated: 4:00 am EDT Jun 30, 2026

Today Sunny	Tonight Mostly Clear	Wednesday Hot	Wednesday Night Clear	Thursday Sunny	Thursday Night Mostly Clear	Friday Chance T-storms	Friday Night Chance T-storms	Independence Day Mostly Sunny then Chance T-storms
Hi 94 °F	Lo 75 °F	Hi 97 °F	Lo 74 °F	Hi 96 °F	Lo 76 °F	Hi 93 °F	Lo 73 °F	Hi 93 °F

Hazardous Weather Outlook
Extreme Heat Warning

Today	Sunny, with a high near 94. Heat index values as high as 106. Light south wind becoming southwest 6 to 11 mph in the morning.
Tonight	Mostly clear, with a low around 75. Southwest wind 5 to 9 mph.
Wednesday	Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind 5 to 9 mph.
Wednesday Night	Clear, with a low around 74. Southwest wind 3 to 7 mph.
Thursday	Sunny, with a high near 96. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night	Mostly clear, with a low around 76.
Friday	A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 40%.
Friday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Independence Day	A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Saturday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday	A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Sunday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday	A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Delaware OH.