Bridgeton, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bridgeton, a city in St. Louis County, Missouri.
This Afternoon
98°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 98. Heat index values as high as 106. South wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Bridgeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Chance Showers And Thunderstorms | 3 mph S | 26% |
| Tonight | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SE | 23% |
| Saturday | 98°F | Mostly Sunny | 5 to 9 mph SW | 6% |
| Saturday Night | 75°F | Partly Cloudy | 6 mph SW | 4% |
| Sunday | 93°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 7 mph W | 27% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph N | 65% |
| Monday | 80°F | Showers And Thunderstorms Likely | 7 to 12 mph N | 71% |
| Monday Night | 62°F | Showers And Thunderstorms Likely | 7 to 12 mph N | 71% |
| Tuesday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 23% |
| Tuesday Night | 56°F | Mostly Cloudy | 6 to 12 mph N | 5% |
| Wednesday | 75°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 7 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 5 to 8 mph N | 4% |
| Thursday Night | 60°F | Partly Cloudy | 3 to 8 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bridgeton (38.773, -90.417). Updated through the day.
Growing snapshot for Bridgeton
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
6b
More local growing data for Bridgeton: nearby ZIP 63044 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
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Clarkson Valley
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Country Club Hills
Country Life Acres
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Des Peres
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Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (3.3 mi from Bridgeton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.