Nassau, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nassau, a city in Lac Qui Parle County, Minnesota.
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. Northwest wind 6 to 10 mph.
7-day forecast for Nassau
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 6 to 10 mph NW | 1% |
| Tonight | 52°F | Mostly Clear | 2 to 6 mph WSW | 1% |
| Wednesday | 79°F | Sunny | 6 to 12 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 5 to 15 mph SSW | 1% |
| Thursday | 82°F | Sunny | 10 to 16 mph SW | 1% |
| Thursday Night | 62°F | Mostly Clear | 7 to 14 mph SSW | 6% |
| Friday | 83°F | Sunny | 8 to 14 mph SW | 10% |
| Friday Night | 61°F | Mostly Clear | 6 mph S | 10% |
| Saturday | 83°F | Sunny | 3 to 10 mph SE | 10% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 6 to 9 mph E | 26% |
| Sunday | 81°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 6 to 9 mph NE | 24% |
| Sunday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph ENE | 21% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 21% |
| Monday Night | 60°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 9 mph NE | 15% |
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 Aug 4, 2026.