Westbrook, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westbrook, a city in Cottonwood County, Minnesota.
Tonight
39°F
Rain Showers
Rain showers. Cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Westbrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Rain Showers | 15 to 20 mph NW | 92% |
| Wednesday | 44°F | Rain Showers | 20 mph NW | 92% |
| Wednesday Night | 36°F | Rain Showers Likely | 15 mph NW | 73% |
| Thursday | 43°F | Chance Rain Showers | 15 to 20 mph NNW | 26% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday | 44°F | Partly Sunny | 0 to 5 mph E | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Sunday | 57°F | Sunny | 10 mph WSW | 4% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph SW | 2% |
| Monday | 59°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Westbrook (44.042, -95.437). Updated through the day.
Growing snapshot for Westbrook
Last spring frost
May 3
First fall frost
Oct 2
Growing season
152 days
Hardiness zone
5a
More local growing data for Westbrook: nearby ZIP 56183 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lamberton Sw Rsch & Outreach C, Mn (15.6 mi from Westbrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.