Altura, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altura, a city in Winona County, Minnesota.
Tonight
52°F
Rain Showers
Rain showers. Cloudy. Low around 52, with temperatures rising to around 56 overnight. Southeast wind 5 to 12 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Altura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 5 to 12 mph SE | 94% |
| Wednesday | 54°F | Rain Showers | 7 to 13 mph S | 85% |
| Wednesday Night | 45°F | Rain Showers | 14 mph W | 93% |
| Thursday | 49°F | Rain Showers | 12 to 15 mph N | 76% |
| Thursday Night | 36°F | Mostly Cloudy | 8 to 13 mph N | 10% |
| Friday | 46°F | Partly Sunny | 3 to 8 mph N | 0% |
| Friday Night | 30°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 51°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 7 mph W | 9% |
| Sunday | 56°F | Mostly Sunny | 8 mph W | 10% |
| Sunday Night | 37°F | Mostly Clear | 7 mph SW | 4% |
| Monday | 59°F | Mostly Sunny | 7 to 12 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 7 mph W | 1% |
| Tuesday | 56°F | Sunny | 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Altura (44.064, -91.944). Updated through the day.
Growing snapshot for Altura
Last spring frost
Apr 23
First fall frost
Oct 16
Growing season
175 days
Hardiness zone
4b
More local growing data for Altura: nearby ZIP 55969 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Elba
Goodview
Homer
Lewiston
Minneiska
Minnesota City
Pickwick
Rollingstone
St. Charles
Stockton
Utica
Winona
Climate data from the nearest NOAA station, Minnesota City Dam 5, Mn (6.2 mi from Altura). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.