Turtle Lake, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Turtle Lake, a city in Mclean County, North Dakota.
This Afternoon
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 71 in the afternoon. Southeast wind 7 to 10 mph.
7-day forecast for Turtle Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 7 to 10 mph SE | 2% |
| Tonight | 53°F | Mostly Cloudy then Patchy Fog | 2 to 10 mph SE | 5% |
| Saturday | 69°F | Slight Chance Rain Showers | 2 to 13 mph E | 17% |
| Saturday Night | 49°F | Cloudy then Slight Chance Rain Showers | 14 mph NE | 16% |
| Sunday | 65°F | Slight Chance Rain Showers | 13 mph E | 19% |
| Sunday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph E | 19% |
| Monday | 70°F | Mostly Sunny | 5 to 12 mph SE | 6% |
| Monday Night | 47°F | Partly Cloudy | 10 mph SE | 3% |
| Tuesday | 71°F | Mostly Sunny | 10 to 21 mph SE | 3% |
| Tuesday Night | 51°F | Mostly Cloudy | 16 mph SE | 8% |
| Wednesday | 75°F | Partly Sunny | 14 to 17 mph S | 11% |
| Wednesday Night | 52°F | Slight Chance Rain Showers | 8 to 13 mph S | 19% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 12 mph SE | 15% |
| Thursday Night | 53°F | Mostly Clear | 9 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Turtle Lake (47.521, -100.891). Updated through the day.
Growing snapshot for Turtle Lake
Last spring frost
May 14
First fall frost
Sep 26
Growing season
136 days
Hardiness zone
4a
More local growing data for Turtle Lake: nearby ZIP 58575 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Benedict
Butte
Coleharbor
Garrison
Max
Mercer
Pick City
Riverdale
Ruso
Ryder
Underwood
Washburn
White Shield
Climate data from the nearest NOAA station, Turtle Lake, Nd (2.1 mi from Turtle Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.