Manlius, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manlius, a village in Bureau County, Illinois.
This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. South wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for Manlius
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Chance Showers And Thunderstorms | 5 mph S | 32% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph S | 91% |
| Sunday | 70°F | Patchy Fog | 5 to 15 mph NE | 72% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 46% |
| Monday | 64°F | Rain Showers Likely | 15 mph E | 66% |
| Monday Night | 53°F | Rain Showers Likely | 10 to 15 mph NE | 59% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 52% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 15 mph NE | 10% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 54°F | Mostly Cloudy | 0 to 5 mph NE | 13% |
| Friday | 72°F | Partly Sunny | 5 mph NE | 7% |
| Friday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Manlius (41.456, -89.669). Updated through the day.
Growing snapshot for Manlius
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
More local growing data for Manlius: nearby ZIP 61338 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Arlington
Buda
Bureau Junction
Cherry
Dalzell
De Pue
Dover
Hollowayville
La Moille
Ladd
Malden
Mineral
Neponset
New Bedford
Ohio
Princeton
Seatonville
Sheffield
Spring Valley
Tiskilwa
Walnut
Wyanet
Climate data from the nearest NOAA station, Walnut, Il (7 mi from Manlius). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.