Oklahoma City/ Weather & Environment

Oklahoma City Weather in Late September

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Published on September 24, 2026
Oklahoma City Weather in Late SeptemberOklahoma City City Hall Plaza — Weather Coverage Backdrop
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Oklahoma City’s Sept. 24 Normal High

The National Weather Service lists Oklahoma City’s normal high for Sept. 24 as 81 degrees, according to National Weather Service Norman.

Oklahoma City’s Sept. 24 Record High

The National Weather Service Norman report lists a September 24 record high of 98 degrees, set in 1939. The National Centers for Environmental Information says official U.S. climate normals are calculated over a uniform 30-year period.

Hot Thursday Gives Way To Storm Chances

Thursday night is expected to have an overnight low near 70 degrees. The first meaningful rain chances arrive Friday, when showers and thunderstorms could develop after 7 a.m.; the chance of precipitation is 30% as temperatures climb near 90.

Rain chances could reach 50% to 60% across central Oklahoma by Saturday afternoon. Conditions are expected to trend drier Sunday.

Above-Normal Heat Lingers Into Next Week

Temperatures are expected to stay well above normal into early next week, even as rain chances develop over the weekend.

Rain chances could return Tuesday or Wednesday, though timing remains uncertain. A brief cooldown could bring highs near average by Wednesday.