St. Louis

St. Louis Welcomes Mild Temperatures and Sunny Skies Before Rain Chances Increase Over the Weekend

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Published on October 21, 2025
St. Louis Welcomes Mild Temperatures and Sunny Skies Before Rain Chances Increase Over the WeekendSource: Google Street View

The National Weather Service in St. Louis reports fair conditions this morning, with temperatures at 51°F. Relative humidity is at 77%, and west winds are steady at 7 mph. The wind chill lowers the temperature slightly to 48°F. Visibility is clear at 10 miles. The barometric pressure reads 29.96 inches of mercury, and the dewpoint is 44°F, according to the NWS.

Looking ahead, St. Louis is expected to have mostly sunny skies with a high near 67 degrees. West winds will increase to 7 to 17 mph, with gusts potentially reaching 36 mph. Tonight’s forecast remains clear, with a low around 43 degrees and wind gusts up to 24 mph. 

Wednesday’s forecast for St. Louis indicates sunny skies with a high near 66 degrees. West winds will continue at 9 to 14 mph, with occasional gusts up to 23 mph. Wednesday night will remain clear, with a low near 43 degrees and winds decreasing to around 6 mph before becoming calm later in the evening.

The forecast for the rest of the week shows similar weather. Thursday will be sunny with a high near 65 degrees and light northwest winds around 6 mph in the afternoon. Thursday night will be mostly clear with a low near 42 degrees. On Friday, there is a 30% chance of rain after 1 p.m.

The weekend forecast shows rain chances between 40 and 50 percent from Friday night through Saturday night. Temperatures will remain mild, with highs near 60 degrees and nighttime lows staying relatively steady. Sunday is expected to have a slight chance of showers and a high around 67 degrees. Monday will also have a slight chance of showers, with partly sunny conditions and highs near 69 degrees.