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Ellisville, MO Weather & Growing Conditions

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

This Afternoon
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 100. Southwest wind around 5 mph.

7-day forecast for Ellisville

WhenTempForecastWindPrecip
This Afternoon 97°F Mostly Sunny 5 mph SW 1%
Tonight 73°F Partly Cloudy 2 to 6 mph SW 1%
Sunday 92°F Partly Sunny then Slight Chance Showers And Thunderstorms 5 mph W 18%
Sunday Night 67°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 6 mph NE 64%
Monday 79°F Showers And Thunderstorms Likely 6 mph NE 62%
Monday Night 61°F Showers And Thunderstorms Likely 6 mph N 58%
Tuesday 71°F Slight Chance Rain Showers then Mostly Cloudy 8 mph N 17%
Tuesday Night 55°F Mostly Cloudy 3 to 8 mph N 1%
Wednesday 72°F Mostly Sunny 6 mph N 0%
Wednesday Night 55°F Partly Cloudy 1 to 5 mph N 0%
Thursday 74°F Mostly Sunny 3 mph N 1%
Thursday Night 58°F Mostly Cloudy then Slight Chance Rain Showers 2 mph NE 15%
Friday 78°F Slight Chance Rain Showers 5 mph NE 20%
Friday Night 60°F Slight Chance Rain Showers then Mostly Cloudy 3 mph NE 20%

Forecast source: National Weather Service (api.weather.gov) for Ellisville (38.590, -90.588). Updated through the day.

Growing snapshot for Ellisville

Last spring frost
Apr 4
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
7a

More local growing data for Ellisville: nearby ZIP 63011 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, St Charles 7 Ssw, Mo (5.8 mi from Ellisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.