Farmington, MN Weather & Growing Conditions
Tonight
50°F
Patchy Fog then Light Rain
Patchy fog and a slight chance of rain before 11pm, then rain and patchy fog. Cloudy, with a low around 50. Northwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Patchy Fog then Light Rain | 5 to 10 mph NW | 92% |
| Wednesday | 54°F | Light Rain | 5 to 10 mph NW | 89% |
| Wednesday Night | 43°F | Light Rain Likely | 10 mph NW | 74% |
| Thursday | 49°F | Light Rain Likely | 10 to 15 mph N | 55% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph WSW | 9% |
| Sunday | 56°F | Sunny | 5 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph SW | 1% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Farmington, MN
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
Explore more for Farmington, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Farmington 3 Nw, Mn (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.