Gilman, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gilman, a community in Teton County, Montana.
Today
77°F
Sunny
Sunny, with a high near 77. South southeast wind 1 to 6 mph.
7-day forecast for Gilman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 1 to 6 mph SSE | 0% |
| Tonight | 49°F | Mostly Clear | 6 mph WNW | 2% |
| Wednesday | 86°F | Sunny | 6 mph WNW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 3 to 7 mph WNW | 0% |
| Thursday | 94°F | Sunny | 7 mph WNW | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 10 mph W | 0% |
| Friday | 95°F | Sunny | 1 to 18 mph WSW | 0% |
| Friday Night | 57°F | Mostly Clear | 8 to 17 mph W | 0% |
| Saturday | 93°F | Sunny | 3 to 12 mph WSW | 0% |
| Saturday Night | 57°F | Mostly Clear | 5 to 12 mph WNW | 0% |
| Sunday | 88°F | Sunny | 2 to 8 mph NNW | 1% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 10 mph NNW | 1% |
| Monday | 86°F | Sunny | 2 to 8 mph NNE | 5% |
| Monday Night | 56°F | Partly Cloudy | 3 to 9 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov) for Gilman (47.509, -112.358). Updated through the day.
Growing snapshot for Gilman
Last spring frost
May 13
First fall frost
Sep 27
Growing season
135 days
Hardiness zone
4b
More local growing data for Gilman: nearby ZIP 59436 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Augusta
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Choteau
Dutton
Miller Colony
New Miami Colony
New Rockport Colony
Pendroy
Power
Rockport Colony
Climate data from the nearest NOAA station, Fairfield, Mt (6.2 mi from Gilman). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.