National Weather Service Forecast for: Newark OH
Issued by: National Weather Service Wilmington, OH
Updated: 2:28 am EDT Jun 30, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 74. Calm wind.
Partly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southwest 5 to 9 mph in the morning.
Mostly Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm  in the evening.
Mostly Clear

Wednesday

Wednesday: Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Hot

Wednesday
Night
Wednesday Night: Clear, with a low around 74. Light southwest wind.
Clear

Thursday

Thursday: Sunny and hot, with a high near 97.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 75.
Mostly Clear

Friday

Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Sunny then
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Chance
T-storms then
Mostly Cloudy
Lo 74 °F Hi 94 °F Lo 75 °F Hi 97 °F Lo 74 °F Hi 97 °F Lo 75 °F Hi 94 °F Lo 73 °F

Hazardous Weather Outlook
Extreme Heat Warning
 

Overnight
 
Partly cloudy, with a low around 74. Calm wind.
Tuesday
 
Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
 
Mostly clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
 
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
 
Clear, with a low around 74. Light southwest wind.
Thursday
 
Sunny and hot, with a high near 97.
Thursday Night
 
Mostly clear, with a low around 75.
Friday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Friday Night
 
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Independence Day
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Sunday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 91. 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 89. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Newark OH.