Minnetonka, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Minnetonka, a city in Hennepin County, Minnesota.
Tonight
57°F
Patchy Fog
Patchy fog and showers and thunderstorms before 1am, then drizzle likely and patchy fog. Cloudy, with a low around 57. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Minnetonka
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Patchy Fog | 10 to 15 mph E | 75% |
| Saturday | 63°F | Chance Drizzle then Cloudy | 10 mph NE | 28% |
| Saturday Night | 55°F | Mostly Cloudy | 10 mph NNE | 13% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 2% |
| Sunday Night | 51°F | Mostly Cloudy | 10 mph ENE | 3% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph ENE | 10% |
| Monday Night | 47°F | Mostly Cloudy | 5 mph ENE | 8% |
| Tuesday | 65°F | Mostly Sunny | 5 mph E | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 67°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Friday | 71°F | Mostly Sunny | 5 mph SE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Minnetonka (44.933, -93.457). Updated through the day.
Growing snapshot for Minnetonka
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5a
More local growing data for Minnetonka: nearby ZIP 55345 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Mpls Flying Cloud Ap, Mn (5.8 mi from Minnetonka). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.