Manhattan, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manhattan, a town in Gallatin County, Montana.
Overnight
25°F
Partly Cloudy
Partly cloudy, with a low around 25. Wind around 0 mph.
7-day forecast for Manhattan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 25°F | Partly Cloudy | 0 mph | 0% |
| Wednesday | 46°F | Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 25°F | Mostly Clear | 2 mph SE | 0% |
| Thursday | 47°F | Partly Sunny then Slight Chance Light Rain | 2 mph S | 20% |
| Thursday Night | 27°F | Slight Chance Light Rain then Partly Cloudy | 2 mph SSW | 20% |
| Friday | 48°F | Mostly Sunny | 2 mph SSW | 0% |
| Friday Night | 28°F | Partly Cloudy | 2 to 7 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 3 mph SSE | 0% |
| Saturday Night | 29°F | Partly Cloudy | 0 to 6 mph SSE | 0% |
| Sunday | 59°F | Mostly Sunny | 1 to 5 mph S | 3% |
| Sunday Night | 31°F | Mostly Cloudy | 0 to 5 mph SSW | 3% |
| Monday | 52°F | Mostly Sunny | 0 mph | 2% |
| Monday Night | 31°F | Mostly Cloudy | 2 mph SSE | 2% |
| Tuesday | 56°F | Mostly Sunny | 2 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Manhattan (45.859, -111.330). Updated through the day.
Growing snapshot for Manhattan
Last spring frost
May 26
First fall frost
Sep 15
Growing season
111 days
Hardiness zone
5a
More local growing data for Manhattan: nearby ZIP 59741 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Amsterdam
Belgrade
Bozeman
Bridger
Churchill
Four Corners
Gallatin Gateway
Gallatin River Ranch
Hebgen Lake Estates
King Arthur Park
Logan
Ponderosa Pines
Springhill
Three Forks
West Yellowstone
Wheatland
Willow Creek
Climate data from the nearest NOAA station, Logan Landfill, Mt (7.6 mi from Manhattan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.