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.
Overnight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 49 overnight. West wind around 9 mph, with gusts as high as 18 mph.
7-day forecast for Turtle Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Clear | 9 mph W | 0% |
| Tuesday | 73°F | Sunny | 9 to 17 mph W | 0% |
| Tuesday Night | 48°F | Mostly Clear | 3 to 15 mph W | 0% |
| Wednesday | 82°F | Mostly Sunny | 7 to 18 mph SW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 16 mph SW | 7% |
| Thursday | 86°F | Sunny | 5 to 15 mph W | 2% |
| Thursday Night | 56°F | Clear | 5 to 14 mph E | 0% |
| Friday | 84°F | Sunny | 8 to 13 mph N | 0% |
| Friday Night | 55°F | Mostly Clear | 9 mph NE | 2% |
| Saturday | 85°F | Mostly Sunny | 7 to 13 mph NE | 2% |
| Saturday Night | 56°F | Mostly Clear | 9 to 14 mph NE | 8% |
| Sunday | 82°F | Mostly Sunny | 8 to 14 mph E | 11% |
| Sunday Night | 56°F | Slight Chance Showers And Thunderstorms | 14 mph E | 32% |
| Monday | 79°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 32% |
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 Aug 4, 2026.