Shirley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shirley, a community in Mclean County, Illinois.
This Afternoon
80°F
Slight Chance Showers And Thunderstorms
A chance of rain showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Partly sunny, with a high near 80. East wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Shirley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Slight Chance Showers And Thunderstorms | 12 mph E | 50% |
| Tonight | 68°F | Partly Cloudy | 12 mph ESE | 6% |
| Saturday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph S | 23% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph ESE | 41% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 6 to 16 mph NNE | 65% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 13 to 17 mph NE | 65% |
| Monday | 68°F | Showers And Thunderstorms Likely | 15 to 20 mph ENE | 64% |
| Monday Night | 53°F | Chance Showers And Thunderstorms | 14 to 20 mph NE | 50% |
| Tuesday | 66°F | Chance Rain Showers | 16 mph NE | 26% |
| Tuesday Night | 51°F | Mostly Cloudy | 8 to 16 mph NNE | 6% |
| Wednesday | 69°F | Partly Sunny | 9 to 13 mph NNE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 6 to 12 mph NNE | 3% |
| Thursday | 70°F | Mostly Sunny | 6 to 10 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Shirley (40.407, -89.064). Updated through the day.
Growing snapshot for Shirley
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a
More local growing data for Shirley: nearby ZIP 61772 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Bloomington 5W, Il (7 mi from Shirley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.