Chicago Heights in October
7.1out of 10
Possible, with caveats
Mild: highs around 17°C. Frequent rain: about 9 rainy days.
17°CAvg high
8°CAvg low
9Rainy days (81 mm)
10:51 hDaylight
07:10Sunrise · 18:01 Sunset
Why this score
- Mild: highs around 17°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in October is fairly consistent from year to year (3.0 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -7°C | 59 mm | 9 | – | – | 3.9 |
| February | 3°C | -5°C | 52 mm | 7 | – | – | 4.5 |
| March | 9°C | 0°C | 74 mm | 11 | – | – | 5.4 |
| April | 16°C | 5°C | 110 mm | 13 | – | – | 6.3 |
| May | 22°C | 11°C | 117 mm | 13 | – | – | 7.2 |
| June | 27°C | 17°C | 109 mm | 12 | – | – | 7.4 |
| July | 29°C | 19°C | 100 mm | 12 | – | – | 7.4 |
| August | 28°C | 18°C | 96 mm | 11 | – | – | 7.6 |
| September | 24°C | 14°C | 76 mm | 9 | – | – | 7.9 |
| October | 17°C | 8°C | 81 mm | 9 | – | – | 7.1 |
| November | 10°C | 1°C | 70 mm | 8 | – | – | 5.9 |
| December | 3°C | -4°C | 57 mm | 8 | – | – | 4.5 |
Frequently asked questions
How hot is Chicago Heights in October?
Daytime highs average 17°C and nights about 8°C.
When is the best time to visit Chicago Heights?
The best months are September, August, June, July.