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Maplewood, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Maplewood, a city in St. Louis County, Missouri.

This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

7-day forecast for Maplewood

WhenTempForecastWindPrecip
This Afternoon 73°F Rain 15 to 18 mph S 94%
Tonight 55°F Rain 7 to 15 mph S 93%
Wednesday 63°F Mostly Cloudy 6 to 12 mph W 6%
Wednesday Night 47°F Partly Cloudy 5 mph SW 0%
Thursday 66°F Sunny 5 to 9 mph W 1%
Thursday Night 47°F Mostly Cloudy 5 mph NW 10%
Friday 58°F Partly Sunny 5 to 9 mph NW 6%
Friday Night 42°F Mostly Cloudy 2 to 6 mph N 1%
Saturday 56°F Partly Sunny 3 mph NW 0%
Saturday Night 40°F Partly Cloudy 2 mph NW 1%
Sunday 62°F Sunny 2 to 6 mph W 9%
Sunday Night 40°F Mostly Clear 3 mph W 5%
Monday 66°F Sunny 2 to 6 mph SW 2%
Monday Night 44°F Mostly Clear 3 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Maplewood (38.612, -90.324). Updated through the day.

Growing snapshot for Maplewood

Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
7a

More local growing data for Maplewood: nearby ZIP 63143 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (3 mi from Maplewood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.