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Hillsdale, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hillsdale, a village 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 around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.

7-day forecast for Hillsdale

WhenTempForecastWindPrecip
This Afternoon 73°F Rain 20 mph S 98%
Tonight 55°F Rain 9 to 17 mph S 96%
Wednesday 63°F Mostly Cloudy 7 to 13 mph W 8%
Wednesday Night 49°F Partly Cloudy 6 mph SW 0%
Thursday 69°F Sunny 6 to 9 mph SW 3%
Thursday Night 49°F Slight Chance Light Rain then Mostly Cloudy 6 mph W 24%
Friday 61°F Partly Sunny 6 to 9 mph NW 5%
Friday Night 46°F Mostly Cloudy 6 mph N 2%
Saturday 59°F Partly Sunny 5 mph NW 0%
Saturday Night 43°F Partly Cloudy 3 mph NW 1%
Sunday 60°F Sunny 3 to 8 mph W 7%
Sunday Night 41°F Mostly Clear 6 mph W 6%
Monday 63°F Sunny 3 to 7 mph W 2%
Monday Night 43°F Mostly Clear 3 mph SW 3%

Forecast source: National Weather Service (api.weather.gov) for Hillsdale (38.686, -90.287). Updated through the day.

Growing snapshot for Hillsdale

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

More local growing data for Hillsdale: nearby ZIP 63133 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (4.1 mi from Hillsdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.