Springfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Springfield, a city in Sangamon County, Illinois.
Tonight
55°F
Rain then Rain Showers Likely
Rain and a slight chance of thunderstorms before midnight, then rain showers likely between midnight and 5am. Mostly cloudy, with a low around 55. South southwest wind 12 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Springfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain then Rain Showers Likely | 12 to 17 mph SSW | 95% |
| Wednesday | 60°F | Mostly Cloudy | 10 to 14 mph SW | 12% |
| Wednesday Night | 45°F | Mostly Cloudy | 9 mph SW | 1% |
| Thursday | 61°F | Mostly Sunny | 7 to 12 mph WSW | 4% |
| Thursday Night | 44°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph NW | 22% |
| Friday | 56°F | Mostly Cloudy | 6 to 9 mph NNW | 12% |
| Friday Night | 38°F | Mostly Cloudy | 1 to 7 mph N | 4% |
| Saturday | 54°F | Mostly Sunny | 1 to 5 mph NW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 36°F | Mostly Clear | 2 to 6 mph WNW | 5% |
| Monday | 64°F | Sunny | 2 to 9 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 3 to 7 mph WSW | 1% |
| Tuesday | 67°F | Sunny | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Springfield (39.791, -89.645). Updated through the day.
Growing snapshot for Springfield
Last spring frost
Apr 15
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6a
More local growing data for Springfield: nearby ZIP 62701 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Springfield #2, Il (1.5 mi from Springfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.