Manchester, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manchester, a village in Scott County, Illinois.
Today
95°F
Mostly Cloudy
Mostly cloudy, with a high near 95. Southwest wind 5 to 8 mph.
7-day forecast for Manchester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Mostly Cloudy | 5 to 8 mph SW | 6% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph SSW | 22% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 8 mph NNW | 47% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 71% |
| Monday | 71°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 71% |
| Monday Night | 55°F | Chance Rain Showers | 9 to 13 mph NE | 28% |
| Tuesday | 67°F | Chance Rain Showers | 12 mph NNE | 26% |
| Tuesday Night | 50°F | Mostly Cloudy | 6 to 12 mph NNE | 5% |
| Wednesday | 71°F | Mostly Sunny | 9 mph NNE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 3 to 8 mph NNE | 0% |
| Thursday | 73°F | Mostly Sunny | 3 to 7 mph NNE | 2% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 6 mph NNE | 4% |
| Friday | 75°F | Mostly Sunny | 3 to 7 mph NE | 5% |
| Friday Night | 55°F | Partly Cloudy | 6 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Manchester (39.542, -90.330). Updated through the day.
Growing snapshot for Manchester
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a
More local growing data for Manchester: nearby ZIP 62663 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, White Hall 1 E, Il (7.5 mi from Manchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.