Altura, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Altura, a city in Winona County, Minnesota.
Overnight
66°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Altura
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Slight Chance Showers And Thunderstorms | 12 mph SW | 21% |
| Tuesday | 75°F | Chance Showers And Thunderstorms | 7 to 12 mph W | 48% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 6 mph W | 46% |
| Wednesday | 76°F | Mostly Sunny | 5 mph NW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 80°F | Sunny | 3 to 7 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 7 mph S | 1% |
| Friday | 83°F | Sunny | 7 to 12 mph SW | 10% |
| Friday Night | 64°F | Slight Chance Rain Showers | 10 mph SW | 17% |
| Saturday | 83°F | Slight Chance Rain Showers then Sunny | 9 mph SW | 17% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 9 mph SW | 40% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 40% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph S | 38% |
| Monday | 82°F | Chance Rain Showers | 5 to 8 mph E | 38% |
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 Aug 4, 2026.