Glasgow, MT Weather & Growing Conditions
Overnight
29°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 29. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Patchy Fog | 3 mph NE | 0% |
| Wednesday | 46°F | Patchy Fog then Mostly Sunny | 2 to 7 mph NW | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 3 to 7 mph E | 0% |
| Thursday | 49°F | Partly Sunny | 3 to 8 mph S | 0% |
| Thursday Night | 33°F | Partly Cloudy | 3 to 9 mph WSW | 0% |
| Friday | 51°F | Sunny | 7 to 10 mph WSW | 0% |
| Friday Night | 37°F | Partly Cloudy | 7 to 13 mph SW | 0% |
| Saturday | 55°F | Sunny | 5 to 13 mph W | 0% |
| Saturday Night | 34°F | Partly Cloudy | 7 mph S | 0% |
| Sunday | 61°F | Mostly Sunny | 8 mph SW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 8 to 14 mph WNW | 0% |
| Monday | 54°F | Mostly Sunny | 5 to 12 mph W | 0% |
| Monday Night | 34°F | Partly Cloudy | 6 mph S | 1% |
| Tuesday | 56°F | Mostly Sunny | 5 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Glasgow, MT
Last spring frost
May 3
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
4a
Explore more for Glasgow, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Glasgow #2, Mt (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.