Serena, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Serena, a community in Lasalle County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
7-day forecast for Serena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 21% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 5 mph SW | 64% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 5 mph NNW | 88% |
| Thursday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 64% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 24% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SSE | 6% |
| Friday Night | 64°F | Mostly Clear | 0 mph | 9% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph SSW | 10% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 32% |
| Monday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 32% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 10 mph WSW | 39% |
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
Dana
Dayton
Earlville
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Harding
Kangley
LaSalle
Leland
Leonore
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Marseilles
Mendota
Millington
Naplate
Newark
North Utica
Oglesby
Ottawa
Peru
Ransom
Rutland
Seneca
Sheridan
Streator
Tonica
Triumph
Troy Grove
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 Aug 4, 2026.