Serena, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Serena, a community in Lasalle County, Illinois.
Overnight
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Serena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Chance Showers And Thunderstorms | 10 mph ESE | 32% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 69% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 5 mph NNE | 79% |
| Sunday | 71°F | Showers And Thunderstorms | 10 to 15 mph NNE | 79% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 15 mph NE | 70% |
| Monday | 66°F | Showers And Thunderstorms Likely | 15 mph ENE | 58% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 25% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 15 mph NNE | 9% |
| Wednesday | 68°F | Partly Sunny | 10 mph NNE | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 70°F | Mostly Sunny | 5 mph N | 3% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 72°F | Mostly Sunny | 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Serena (41.487, -88.732). Updated through the day.
Growing snapshot for Serena
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
5b
More local growing data for Serena: nearby ZIP 60549 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cedar Point
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Dayton
Earlville
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LaSalle
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Marseilles
Mendota
Millington
Naplate
Newark
North Utica
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Rutland
Seneca
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Triumph
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Wedron
Wenona
Climate data from the nearest NOAA station, Marseilles Lock, Il (12 mi from Serena). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.