Nassau, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nassau, a city in Lac Qui Parle County, Minnesota.
This Afternoon
49°F
Light Rain
Rain and patchy fog. Cloudy. High near 49, with temperatures falling to around 46 in the afternoon. North northwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Nassau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Light Rain | 21 mph NNW | 96% |
| Tonight | 37°F | Rain | 15 to 18 mph NNW | 100% |
| Wednesday | 44°F | Rain | 21 mph NNW | 93% |
| Wednesday Night | 34°F | Rain Likely then Mostly Cloudy | 14 to 17 mph NNW | 65% |
| Thursday | 42°F | Partly Sunny | 10 to 17 mph NNW | 7% |
| Thursday Night | 29°F | Mostly Cloudy | 3 to 9 mph N | 0% |
| Friday | 45°F | Partly Sunny | 3 mph SE | 0% |
| Friday Night | 29°F | Partly Cloudy | 5 mph SSW | 0% |
| Saturday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 35°F | Partly Cloudy | 9 mph W | 5% |
| Sunday | 57°F | Mostly Sunny | 8 mph WSW | 3% |
| Sunday Night | 38°F | Partly Cloudy | 8 mph SSW | 0% |
| Monday | 59°F | Mostly Sunny | 8 to 13 mph W | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 8 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Nassau (45.068, -96.442). Updated through the day.
Growing snapshot for Nassau
Last spring frost
May 3
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
4b
More local growing data for Nassau: nearby ZIP 56257 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Madison Wwtp, Mn (11.8 mi from Nassau). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.