Lake Holiday, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Holiday, a community in Dekalb County, Illinois.
This Afternoon
74°F
Rain Showers Likely
Rain showers likely. Partly sunny, with a high near 74. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lake Holiday
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Rain Showers Likely | 10 mph E | 55% |
| Tonight | 64°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph E | 37% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 77% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NNW | 80% |
| Sunday | 70°F | Showers And Thunderstorms | 10 to 15 mph NNE | 80% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 15 mph NE | 68% |
| Monday | 66°F | Rain Showers Likely | 15 mph ENE | 55% |
| Monday Night | 52°F | Chance Rain Showers | 15 mph NE | 32% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 15 mph NNE | 10% |
| Wednesday | 68°F | Partly Sunny | 10 mph NNE | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lake Holiday (41.620, -88.665). Updated through the day.
Growing snapshot for Lake Holiday
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
5b
More local growing data for Lake Holiday: nearby ZIP 60548 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chicago Aurora Muni Ap, Il (11.5 mi from Lake Holiday). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.