| National Weather Service Forecast for:
Westerville OH Issued by: National Weather Service Wilmington, OH |
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| Updated: 2:28 am EDT Jun 30, 2026 | ||||||||||||||||||
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Hazardous Weather Outlook
Extreme Heat Warning
| Overnight |
Partly cloudy, with a low around 76. Light south wind. |
| Tuesday |
Mostly sunny, with a high near 95. Heat index values as high as 105. Southwest wind 5 to 11 mph. |
| Tuesday Night |
Mostly clear, with a low around 76. Southwest wind 3 to 8 mph. |
| Wednesday |
Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 3 to 8 mph. |
| Wednesday Night |
Clear, with a low around 75. Southwest wind around 6 mph becoming calm in the evening. |
| Thursday |
Sunny and hot, with a high near 97. |
| Thursday Night |
Mostly clear, with a low around 77. |
| Friday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 40%. |
| Friday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 30%. |
| Independence Day |
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 50%. |
| Saturday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms. Mostly 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 71. 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 Westerville OH.
