Springfield, IL Weather & Growing Conditions
Tonight
70°F
Mostly Cloudy
Mostly cloudy, with a low around 70. South southwest wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy | 6 mph SSW | 9% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 12 mph N | 31% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 59% |
| Monday | 71°F | Showers And Thunderstorms Likely | 12 mph ENE | 66% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 10 mph ENE | 44% |
| Tuesday | 67°F | Chance Rain Showers | 12 mph NE | 44% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Wednesday | 69°F | Partly Sunny | 6 to 9 mph NNE | 4% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 8 mph NNE | 0% |
| Thursday | 73°F | Partly Sunny | 3 to 7 mph NNE | 0% |
| Thursday Night | 56°F | Mostly Cloudy | 2 to 6 mph NNE | 9% |
| Friday | 76°F | Slight Chance Rain Showers | 2 to 7 mph NE | 15% |
| Friday Night | 56°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph NE | 15% |
| Saturday | 78°F | Mostly Sunny | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Springfield, IL
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6a
Explore more for Springfield, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Springfield Capital Ap, Il (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.