Two Harbors, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Two Harbors, a city in Lake County, Minnesota.
Today
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. West wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Two Harbors
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Tonight | 53°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Wednesday | 79°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 84°F | Sunny | 5 to 10 mph SW | 12% |
| Thursday Night | 62°F | Mostly Clear | 5 mph SW | 4% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 20% |
| Friday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph W | 34% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 25% |
| Saturday Night | 59°F | Chance Showers And Thunderstorms | 0 mph | 31% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 25% |
| Sunday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 19% |
| Monday | 78°F | Slight Chance Rain Showers | 0 to 5 mph NW | 15% |
| Monday Night | 57°F | Slight Chance Rain Showers | 0 mph | 16% |
Forecast source: National Weather Service (api.weather.gov) for Two Harbors (47.030, -91.676). Updated through the day.
Growing snapshot for Two Harbors
Last spring frost
May 12
First fall frost
Oct 6
Growing season
145 days
Hardiness zone
4b
More local growing data for Two Harbors: nearby ZIP 55609 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Two Harbors, Mn (7.1 mi from Two Harbors). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.