Chaska, MN Weather & Growing Conditions
Overnight
56°F
Chance Rain Showers
A chance of rain showers and patchy fog before 1am, then a chance of drizzle. Cloudy, with a low around 56. East wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Chance Rain Showers | 10 to 15 mph E | 38% |
| Saturday | 64°F | Chance Rain Showers then Cloudy | 10 mph NE | 27% |
| Saturday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 49°F | Mostly Cloudy | 5 to 10 mph ENE | 6% |
| Monday | 63°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 | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 66°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 13% |
| 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). Updated through the day.
Growing snapshot for Chaska, MN
Last spring frost
May 5
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
4b
Explore more for Chaska, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Chaska 2Nw, Mn (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.