St. Louis

St. Louis Weather Warms Up for the Holidays as Sunny Christmas Day Expected

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Published on December 21, 2025
St. Louis Weather Warms Up for the Holidays as Sunny Christmas Day ExpectedSource: Google Street View

Residents of St. Louis, MO, can anticipate a shift from chilly to more pleasant temperatures this week, according to the latest weather forecasts. The National Weather Service reports a steady climb, starting with a frosty morning at 25°F and an uptick to a high near 44°F today. Moving from calm to an easterly breeze around 5 mph in the afternoon.

The skies will remain mostly clear tonight with temperatures dropping to around 31°F, and a southeast wind blowing at a gentle 3 to 6 mph. Monday's clouds are increasing yet yielding a high of 53°F. Looking ahead, Tuesday promises sunny skies and temperatures edging up to about 63°F.

The National Weather Service further details that the rest of the week will continue this warming trend. Wednesday predicts cloudy conditions but with an unseasonably warm high near 69°F. Christmas Day itself is set to bring cheer with mostly sunny skies and an impressive high near 74°F.

Wednesday night's forecast anticipates a mostly cloudy sky with a low around 58°F. Friday ahead of the holiday, with a partly sunny sky and a high near 61°F. The full forecast, including detailed conditions for the next week, is available on the National Weather Service website.