Glasgow, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glasgow, a village in Scott County, Illinois.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. Southwest wind around 12 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glasgow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 12 mph SW | 13% |
| Wednesday | 59°F | Patchy Drizzle | 14 mph WSW | 10% |
| Wednesday Night | 45°F | Patchy Drizzle then Mostly Cloudy | 10 mph WSW | 10% |
| Thursday | 61°F | Partly Sunny | 9 to 13 mph W | 2% |
| Thursday Night | 43°F | Mostly Cloudy | 3 to 7 mph NW | 5% |
| Friday | 55°F | Partly Sunny | 9 mph NNW | 2% |
| Friday Night | 32°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 3 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 61°F | Sunny | 1 to 6 mph WNW | 2% |
| Sunday Night | 34°F | Clear | 2 mph W | 0% |
| Monday | 66°F | Sunny | 0 to 6 mph WSW | 0% |
| Monday Night | 39°F | Clear | 3 mph SW | 0% |
| Tuesday | 68°F | Sunny | 3 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Glasgow (39.549, -90.480). Updated through the day.
Growing snapshot for Glasgow
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
More local growing data for Glasgow: nearby ZIP 62610 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winchester, Il (6.6 mi from Glasgow). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.