Lancaster, MN Weather & Growing Conditions
Tonight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. North northeast wind 7 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Partly Cloudy | 7 to 13 mph NNE | 0% |
| Sunday | 66°F | Partly Sunny | 8 mph ENE | 0% |
| Sunday Night | 41°F | Mostly Cloudy | 3 to 7 mph E | 0% |
| Monday | 67°F | Sunny | 3 to 7 mph SE | 0% |
| Monday Night | 41°F | Mostly Clear | 8 mph SSE | 0% |
| Tuesday | 67°F | Sunny | 8 to 14 mph SSE | 0% |
| Tuesday Night | 45°F | Mostly Clear | 13 mph SSE | 0% |
| Wednesday | 68°F | Sunny | 13 to 21 mph SSE | 2% |
| Wednesday Night | 51°F | Partly Cloudy then Slight Chance Rain Showers | 15 mph SSE | 17% |
| Thursday | 69°F | Slight Chance Rain Showers | 16 mph SSE | 23% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph S | 15% |
| Friday | 73°F | Partly Sunny | 8 to 15 mph S | 6% |
| Friday Night | 56°F | Partly Cloudy | 16 mph SSE | 11% |
| Saturday | 71°F | Chance Rain Showers | 16 to 21 mph S | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lancaster, MN
Last spring frost
May 8
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
3b
Explore more for Lancaster, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Hallock, Mn (16.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.