Springfield, Illinois Weather
Springfield weather this week
Over the next 7 days in Springfield, daytime highs range from 8°C to 19°C and night-time lows from -4°C to 9°C. The warmest afternoon is likely on Thursday at 19°C, while the coolest night is expected tonight at -4°C. Temperatures trend warmer through the week, rising by about 8°C. Expect a wide gap of around 13°C between afternoon and early-morning temperatures, so mornings will feel noticeably cooler.
No significant rain is expected in Springfield this week. The highest rain chance is just 12%, on Thursday.
Winds stay mostly light this week, peaking at about 29 km/h on Wednesday. UV levels stay moderate or lower, peaking at 3. Average humidity is a comfortable 56% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Saturday) | Overcast | 8° / -4° | 0% | 0.0 mm | 11 km/h |
| Tomorrow (Sunday) | Overcast | 10° / -4° | 0% | 0.0 mm | 8 km/h |
| Monday | Overcast | 12° / -1° | 0% | 0.0 mm | 13 km/h |
| Tuesday | Mainly clear | 14° / 3° | 0% | 0.0 mm | 17 km/h |
| Wednesday | Overcast | 16° / 5° | 0% | 0.0 mm | 29 km/h |
| Thursday | Overcast | 19° / 9° | 12% | 0.0 mm | 27 km/h |
| Friday | Overcast | 19° / 8° | 5% | 0.0 mm | 19 km/h |
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Today's outlook for Springfield
At 23:00 local time it is 0°C in Springfield under clear skies, feeling like -4°C. Today's forecast high is 8°C and the low is -4°C, and the day overall looks overcast. Rain is unlikely today (0% chance). Winds are blowing at about 6 km/h from the north-west. Humidity is 68%.
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Climate of Springfield: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Springfield, with average daytime highs around 30°C. January is the coolest, when nights typically fall to about -8°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 38°C, so the seasons feel very different from each other.
The area receives about 1000 mm of rain in a typical year. Most of it falls from April to July, and May is the wettest month at roughly 117 mm.
For outdoor plans and travel, August to October usually offer the most comfortable weather in Springfield, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 1° | -8° | 55 mm | 83% |
| Feb | 4° | -7° | 54 mm | 82% |
| Mar | 11° | -1° | 70 mm | 78% |
| Apr | 18° | 6° | 103 mm | 75% |
| May | 23° | 12° | 117 mm | 77% |
| Jun | 28° | 17° | 114 mm | 77% |
| Jul | 30° | 19° | 100 mm | 75% |
| Aug | 30° | 18° | 86 mm | 72% |
| Sep | 26° | 14° | 80 mm | 70% |
| Oct | 19° | 7° | 90 mm | 72% |
| Nov | 11° | 0° | 68 mm | 77% |
| Dec | 4° | -5° | 64 mm | 83% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Springfield. Values describe typical conditions, not a forecast.
About Springfield weather
Springfield sits within Illinois's humid continental climate, shaped by its Great Lakes and prairie geography, about 286 km south-west of Chicago. Conditions turn hot with warm, humid summers (June–August). By December, expect cold winters (December–February) with regular snow, colder near Lake Michigan. This page shows live, auto-refreshing weather for Springfield: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Springfield is about 286 km south-west of Chicago, in Illinois.
Springfield sees cold winters (December–February) with regular snow, colder near Lake Michigan.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Springfield's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Springfield, with average daytime highs of about 30°C and nights around 19°C.
The coldest nights come in January, when the average low is about -8°C and daytime highs reach around 1°C. Frost is possible on clear, calm nights.
Springfield receives about 1000 mm of rain in a typical year. May is the wettest month at roughly 117 mm, and the main rainy period is April to July.
August to October usually offer the most comfortable weather in Springfield, with mild daytime temperatures and little rain.
In November Springfield typically sees daytime highs near 11°C and lows near 0°C, with about 68 mm of rain over the month and average humidity around 77%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Springfield is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Springfield's day-to-day weather follows the broader pattern of Illinois described above. See the hourly weather forecast or the air quality index for more detail.