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St. Catharine, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Catharine, a community in Linn County, Missouri.

Overnight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 7 mph.

7-day forecast for St. Catharine

WhenTempForecastWindPrecip
Overnight 73°F Partly Cloudy 7 mph S 1%
Saturday 91°F Partly Sunny 7 to 10 mph SW 2%
Saturday Night 67°F Chance Showers And Thunderstorms 3 to 7 mph W 59%
Sunday 77°F Chance Showers And Thunderstorms 3 to 12 mph NNE 47%
Sunday Night 60°F Showers And Thunderstorms Likely 12 mph NE 73%
Monday 66°F Showers And Thunderstorms Likely 13 mph NE 73%
Monday Night 54°F Chance Rain Showers then Mostly Cloudy 8 to 13 mph NE 27%
Tuesday 63°F Mostly Cloudy 12 mph NE 7%
Tuesday Night 48°F Mostly Cloudy 3 to 9 mph NE 5%
Wednesday 67°F Mostly Sunny 7 mph NE 1%
Wednesday Night 51°F Partly Cloudy 2 to 6 mph ENE 2%
Thursday 71°F Partly Sunny then Slight Chance Rain Showers 2 to 6 mph ENE 15%
Thursday Night 55°F Slight Chance Rain Showers 2 to 6 mph ENE 15%
Friday 73°F Slight Chance Rain Showers 3 to 7 mph E 19%

Forecast source: National Weather Service (api.weather.gov) for St. Catharine (39.798, -92.996). Updated through the day.

Growing snapshot for St. Catharine

Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
192 days
Hardiness zone
6a

More local growing data for St. Catharine: nearby ZIP 64628 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, Brookfield, Mo (2.1 mi from St. Catharine). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.