Earlville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Earlville, a city in Lasalle County, Illinois.
This Afternoon
74°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 74, with temperatures falling to around 72 in the afternoon. South southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Earlville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Showers And Thunderstorms Likely | 5 mph SSE | 72% |
| Tonight | 65°F | Showers And Thunderstorms | 0 to 5 mph SE | 100% |
| Sunday | 67°F | Showers And Thunderstorms | 5 to 15 mph NNE | 82% |
| Sunday Night | 57°F | Chance Rain Showers | 15 mph NE | 33% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 50% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 53% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 53% |
| Tuesday Night | 51°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Wednesday | 65°F | Partly Sunny | 10 to 15 mph NE | 6% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 7% |
| Thursday Night | 54°F | Mostly Cloudy | 5 mph NE | 8% |
| Friday | 72°F | Partly Sunny | 5 mph NE | 9% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Earlville (41.588, -88.923). Updated through the day.
Growing snapshot for Earlville
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
171 days
Hardiness zone
5b
More local growing data for Earlville: nearby ZIP 60518 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Paw Paw 2S, Il (5.5 mi from Earlville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.