Ottertail, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ottertail, a city in Otter Tail County, Minnesota.
This Afternoon
60°F
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 60. East southeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ottertail
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Rain Showers Likely | 16 mph ESE | 72% |
| Tonight | 56°F | Chance Rain Showers then Cloudy | 12 to 16 mph E | 40% |
| Saturday | 66°F | Mostly Cloudy | 12 mph NE | 5% |
| Saturday Night | 55°F | Mostly Cloudy | 7 to 10 mph NE | 0% |
| Sunday | 65°F | Mostly Cloudy | 9 to 14 mph ENE | 0% |
| Sunday Night | 50°F | Mostly Cloudy | 12 mph E | 2% |
| Monday | 63°F | Partly Sunny | 7 to 10 mph E | 2% |
| Monday Night | 46°F | Partly Cloudy | 7 mph ESE | 0% |
| Tuesday | 64°F | Mostly Sunny | 7 to 12 mph SE | 0% |
| Tuesday Night | 49°F | Mostly Clear | 9 mph SE | 1% |
| Wednesday | 66°F | Mostly Sunny | 8 to 14 mph SSE | 5% |
| Wednesday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 9 mph SSE | 18% |
| Thursday | 68°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph S | 18% |
| Thursday Night | 55°F | Partly Cloudy | 7 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Ottertail (46.432, -95.571). Updated through the day.
Growing snapshot for Ottertail
Last spring frost
May 5
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
4a
More local growing data for Ottertail: nearby ZIP 56571 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Battle Lake
Bluffton
Clitherall
Dalton
Deer Creek
Dent
Elizabeth
Erhard
Fergus Falls
Henning
New York Mills
Parkers Prairie
Pelican Rapids
Perham
Richville
Underwood
Urbank
Vergas
Vining
Climate data from the nearest NOAA station, Ottertail, Mn (1.4 mi from Ottertail). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.