Chaska, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chaska, a city in Carver County, Minnesota.

Tonight

55°F

Chance Rain Showers

A chance of rain showers and patchy fog before 1am, then a chance of drizzle and patchy fog. Cloudy. Low around 55, with temperatures rising to around 58 overnight. East wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Chaska

When	Temp	Forecast	Wind	Precip
Tonight	55°F	Chance Rain Showers	10 mph E	40%
Saturday	64°F	Chance Drizzle then Cloudy	10 mph NE	27%
Saturday Night	53°F	Slight Chance Drizzle then Mostly Cloudy	5 to 10 mph NNE	15%
Sunday	68°F	Partly Sunny	10 mph NE	2%
Sunday Night	49°F	Mostly Cloudy	5 to 10 mph ENE	6%
Monday	64°F	Slight Chance Rain Showers	5 to 10 mph ENE	15%
Monday Night	44°F	Mostly Cloudy	5 mph ENE	14%
Tuesday	64°F	Mostly Sunny	5 mph E	3%
Tuesday Night	44°F	Partly Cloudy	0 to 5 mph ESE	1%
Wednesday	67°F	Sunny	0 to 5 mph SE	0%
Wednesday Night	49°F	Partly Cloudy	0 to 5 mph SSE	12%
Thursday	69°F	Mostly Sunny	0 to 5 mph SSE	13%
Thursday Night	52°F	Partly Cloudy	0 to 5 mph SSE	6%
Friday	72°F	Mostly Sunny	0 to 5 mph SE	6%

Forecast source: National Weather Service (api.weather.gov) for Chaska (44.816, -93.610). Updated through the day.

Growing snapshot for Chaska

Last spring frost

May 5

First fall frost

Oct 5

Growing season

151 days

Hardiness zone

More local growing data for Chaska: nearby ZIP 55318 weather · frost dates · planting calendar · Minnesota frost dates

Nearby towns & communities

Carver Chanhassen Cologne Hamburg Mayer New Germany Norwood Young America Victoria Waconia Watertown

All Minnesota locations ›

Climate data from the nearest NOAA station, Chaska 2Nw, Mn (0.3 mi from Chaska). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.