Historical weather data, all-time temperature records, and monthly climate averages for Bridgeton, MO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Bridgeton runs mild on average, with highs near 62° and lows around 41°—classic early spring transition weather. But the date has swung wildly: a scorching 91° in 1988 and a bitter 26° low back in 1944 show how unsettled this time of year can be. There's about a 1-in-3 chance of rain today, so keep an umbrella handy.
Bridgeton's weather has teeth. The all-time high of 115° on July 14, 1954 remains one of the most extreme heat readings in Missouri history, while the -18° low on January 20, 1985 proves winters here can be brutal. A single storm dumped 8.64 inches of rain on July 26, 2022—a reminder that summer thunderstorms in the St. Louis area play for keeps.
Bridgeton follows a classic Midwest four-season pattern, with peak heat in mid-July when average highs touch 90° and the coldest stretch arriving in mid-January around 38°. Late June through early July is the wettest window of the year, averaging over an inch of precipitation per week. If you're planning a visit, May and September offer the sweet spot—warm but not sweltering, and drier than midsummer.