Harman US

Hermann, MO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hermann, a city in Gasconade County, Missouri.

Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 5 mph.

7-day forecast for Hermann

WhenTempForecastWindPrecip
Tonight 69°F Partly Cloudy 5 mph SE 9%
Saturday 96°F Partly Sunny 2 to 6 mph SW 5%
Saturday Night 68°F Partly Cloudy 2 mph SW 12%
Sunday 90°F Chance Rain Showers then Chance Showers And Thunderstorms 2 mph W 32%
Sunday Night 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 mph NE 73%
Monday 76°F Showers And Thunderstorms Likely 5 mph NE 73%
Monday Night 56°F Chance Showers And Thunderstorms 5 mph N 50%
Tuesday 70°F Slight Chance Rain Showers then Mostly Cloudy 6 mph N 21%
Tuesday Night 50°F Mostly Cloudy 1 to 5 mph N 5%
Wednesday 73°F Mostly Sunny 3 mph N 0%
Wednesday Night 51°F Partly Cloudy 2 mph NE 1%
Thursday 74°F Mostly Sunny 2 mph NE 5%
Thursday Night 54°F Partly Cloudy 1 mph NE 2%
Friday 74°F Mostly Sunny 3 mph NE 8%

Forecast source: National Weather Service (api.weather.gov) for Hermann (38.698, -91.435). Updated through the day.

Growing snapshot for Hermann

Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
6b

More local growing data for Hermann: nearby ZIP 65041 weather · frost dates · planting calendar · Missouri frost dates

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Climate data from the nearest NOAA station, Rosebud, Mo (14 mi from Hermann). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.