Rock Hill, MO Weather & Growing Conditions

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

Today

60°F

Slight Chance Drizzle then Mostly Cloudy

A slight chance of drizzle before noon. Mostly cloudy, with a high near 60. West wind 7 to 12 mph.

7-day forecast for Rock Hill

When	Temp	Forecast	Wind	Precip
Today	60°F	Slight Chance Drizzle then Mostly Cloudy	7 to 12 mph W	12%
Tonight	47°F	Partly Cloudy	6 mph W	0%
Thursday	64°F	Sunny	6 to 9 mph W	0%
Thursday Night	48°F	Mostly Cloudy	6 mph NW	4%
Friday	57°F	Partly Sunny	6 to 9 mph N	1%
Friday Night	38°F	Partly Cloudy	2 to 6 mph N	0%
Saturday	55°F	Mostly Sunny	3 mph N	0%
Saturday Night	37°F	Partly Cloudy	2 mph NW	0%
Sunday	61°F	Sunny	5 mph NW	1%
Sunday Night	39°F	Clear	2 mph W	0%
Monday	66°F	Sunny	3 mph SW	0%
Monday Night	44°F	Clear	3 mph SW	0%
Tuesday	68°F	Sunny	3 mph W	1%
Tuesday Night	45°F	Mostly Clear	1 mph NW	2%

Forecast source: National Weather Service (api.weather.gov) for Rock Hill (38.609, -90.367). Updated through the day.

Growing snapshot for Rock Hill

Last spring frost

Apr 1

First fall frost

Nov 4

Growing season

218 days

Hardiness zone

More local growing data for Rock Hill: nearby ZIP 63144 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (4.3 mi from Rock Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.