Fort Peck, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Peck, a town in Mccone County, Montana.
This Afternoon
49°F
Sunny
Sunny, with a high near 49. Southeast wind around 5 mph.
7-day forecast for Fort Peck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Sunny | 5 mph SE | 0% |
| Tonight | 35°F | Patchy Fog | 6 mph ESE | 0% |
| Wednesday | 47°F | Patchy Fog then Partly Sunny | 3 mph WNW | 0% |
| Wednesday Night | 36°F | Mostly Cloudy | 2 to 6 mph SW | 0% |
| Thursday | 51°F | Mostly Sunny | 3 to 7 mph SSE | 0% |
| Thursday Night | 38°F | Partly Cloudy | 3 to 8 mph WSW | 1% |
| Friday | 52°F | Sunny | 6 to 9 mph WSW | 4% |
| Friday Night | 42°F | Partly Cloudy | 8 to 12 mph WSW | 6% |
| Saturday | 54°F | Sunny | 6 to 13 mph WSW | 2% |
| Saturday Night | 40°F | Mostly Clear | 7 mph S | 0% |
| Sunday | 59°F | Mostly Sunny | 9 mph SSW | 1% |
| Sunday Night | 43°F | Partly Cloudy | 9 to 14 mph W | 1% |
| Monday | 53°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Monday Night | 40°F | Partly Cloudy | 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Fort Peck (48.007, -106.455). Updated through the day.
Growing snapshot for Fort Peck
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4a
More local growing data for Fort Peck: nearby ZIP 59223 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Peck Pwr Plt, Mt (11.7 mi from Fort Peck). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.