Long Lake, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Lake, a community in Lake County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear. Low around 62, with temperatures rising to around 64 overnight. South wind around 5 mph.
7-day forecast for Long Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tuesday Night | 66°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 51% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 74% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph NNW | 77% |
| Thursday | 78°F | Chance Rain Showers | 0 to 5 mph NE | 50% |
| Thursday Night | 59°F | Partly Cloudy | 0 to 5 mph NE | 13% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SSW | 3% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph S | 7% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 46% |
| Monday | 84°F | Chance Rain Showers | 5 mph SSW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Long Lake (42.372, -88.127). Updated through the day.
Growing snapshot for Long Lake
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
180 days
Hardiness zone
5b
More local growing data for Long Lake: nearby ZIP 60041 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Lake Villa
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Climate data from the nearest NOAA station, Lake Villa 2Ne, Il (6.4 mi from Long Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.