In August, Chicago averages a high of 82°F (28°C) and a low of 66°F (19°C). Most runs feel like about 74°F (23°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Lakefront wind and big seasonal swings make dressing right a real skill in Chicago.
82°F (28°C)
66°F (19°C)
Feels like 74°F (23°C)
Run at dawn or after sunset. August highs near 82°F (28°C) make midday runs hot and slow in Chicago.
Singlet or Tank
Maximum breathability for hot conditions
Running Shorts
Lightweight with built-in brief
Sunglasses
UV protection
Sunscreen
SPF 30+ water-resistant
Running Shoes
Your regular training shoes
$85
$50
$349
$17
$16
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In August, Chicago runs feel like about 74°F (23°C). Wear a breathable singlet or light short-sleeve, running shorts, a cap, and sunglasses. Prioritize sunscreen and hydration.
August is on the warm side but very runnable early and late in Chicago, with average highs near 82°F (28°C) and lows near 66°F (19°C).
Shorts are the standard in Chicago in August. At feels-like 74°F (23°C) tights will leave you overheating.
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