Chicago
USA · 41.88, -87.63
Observed daily weather for Chicago from 2025-10-01 to 2026-09-30, from the Open-Meteo Historical Weather API (ERA5 reanalysis for the nearest grid cell to these coordinates). Temperatures are in °C, precipitation in mm; the highest and lowest values are the extremes within this 12-month window, not all-time records.
35.8°C12-Month High
-23°C12-Month Low
15°CAvg High
1,278.3mmTotal Precipitation
Daily High Temperature, Last 90 Days
Monthly Averages
| Month | High | Low | Rain |
|---|---|---|---|
| Jan | -2.1°C | -9.2°C | 50.9mm |
| Feb | 4.3°C | -3.6°C | 16.6mm |
| Mar | 11°C | 0.9°C | 94.8mm |
| Apr | 16.4°C | 6.9°C | 163.7mm |
| May | 19.7°C | 11°C | 33.6mm |
| Jun | 24.6°C | 17.3°C | 181.7mm |
| Jul | 28°C | 20.8°C | 106mm |
| Aug | 26.3°C | 19.7°C | 233.9mm |
| Sep | 23.5°C | 18°C | 186.4mm |
| Oct | 17.8°C | 11°C | 56.3mm |
| Nov | 9.1°C | 2.6°C | 73.7mm |
| Dec | 0.7°C | -6.2°C | 80.7mm |