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Sycamore Hills, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sycamore Hills, a village in St. Louis County, Missouri.

Overnight
56°F
Chance Light Rain
A chance of rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 56. Southwest wind around 10 mph. Chance of precipitation is 30%.

7-day forecast for Sycamore Hills

WhenTempForecastWindPrecip
Overnight 56°F Chance Light Rain 10 mph SW 34%
Wednesday 62°F Mostly Cloudy 8 to 13 mph W 8%
Wednesday Night 48°F Mostly Clear 7 mph W 0%
Thursday 64°F Sunny 7 to 10 mph W 0%
Thursday Night 49°F Mostly Cloudy 7 mph NW 3%
Friday 57°F Partly Sunny 10 mph N 1%
Friday Night 39°F Partly Cloudy 2 to 7 mph N 0%
Saturday 55°F Mostly Sunny 5 mph N 0%
Saturday Night 38°F Partly Cloudy 3 mph NW 0%
Sunday 61°F Sunny 6 mph NW 1%
Sunday Night 40°F Clear 2 mph W 0%
Monday 66°F Sunny 5 mph SW 0%
Monday Night 45°F Clear 5 mph SW 0%
Tuesday 68°F Sunny 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Sycamore Hills (38.701, -90.349). Updated through the day.

Growing snapshot for Sycamore Hills

Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a

More local growing data for Sycamore Hills: nearby ZIP 63114 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (3.5 mi from Sycamore Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.