Long Lake, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Lake, a community in Lake County, Illinois.
This Afternoon
70°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 70, with temperatures falling to around 66 in the afternoon. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Long Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Rain Showers Likely | 15 mph S | 57% |
| Tonight | 59°F | Rain Showers | 15 mph SSE | 79% |
| Wednesday | 64°F | Rain Showers Likely | 15 mph SSW | 60% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 15 mph SW | 23% |
| Thursday | 57°F | Chance Rain Showers | 10 to 15 mph WSW | 45% |
| Thursday Night | 40°F | Rain Showers Likely | 5 to 10 mph NW | 55% |
| Friday | 52°F | Slight Chance Rain Showers | 10 to 15 mph N | 23% |
| Friday Night | 34°F | Mostly Cloudy | 0 to 5 mph NNW | 6% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 6% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 8% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 2% |
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
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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 Nov 4, 2026.