Glasgow, MT Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. North wind around 13 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 13 mph N | 1% |
| Tonight | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 14 mph NNE | 17% |
| Saturday | 68°F | Chance Rain Showers | 10 to 15 mph ENE | 28% |
| Saturday Night | 52°F | Rain Showers Likely | 13 mph E | 55% |
| Sunday | 64°F | Chance Rain Showers then Cloudy | 14 mph E | 47% |
| Sunday Night | 50°F | Mostly Cloudy | 13 mph ESE | 4% |
| Monday | 71°F | Partly Sunny | 10 to 16 mph SE | 2% |
| Monday Night | 52°F | Mostly Clear | 14 mph SE | 0% |
| Tuesday | 77°F | Sunny | 10 mph SE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 8 mph ESE | 1% |
| Wednesday | 78°F | Sunny | 6 to 9 mph SE | 6% |
| Wednesday Night | 53°F | Mostly Clear | 7 mph ESE | 3% |
| Thursday | 80°F | Sunny | 6 to 10 mph SE | 2% |
| Thursday Night | 55°F | Mostly Clear | 9 mph SE | 3% |
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 Sep 19, 2026.