Chicago Weather: August
 |
Average Day Temperature: | 83.2°F |
|
Average Night Temperature: | 71.0°F |
|
Sea Water Temperature: | 72.5°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 13.2 - 14.4 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 2.4 in | |
| detailed information | ||
forecast
| Chicago |
Temperature
| Chicago |
Air Temperature in August, °F
The highest day temperature in August 2025 was 96°F. The lowest night temperature was 58°F. The average values for day and night temperatures during August were 83.2°F и 71.0°F respectivly.
Chicago Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Chicago was 76.5°F. The maximum and minimum values were 71.2°F and 81.0°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Chicago is 2.4 in.
The average wind speed in August is 8.3 mph. It makes August one of the most windless months of the year for Chicago.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chicago in August is 9.4 hours.
Chicago on the Weather Map
| Boston |  |
+96 |
| Chicago | |
+88 |
| Hawaii |  |
+78 |
| Houston |  |
+90 |
| Las Vegas | |
+96 |
| Los Angeles | |
+82 |
| Maui | |
+72 |
| Miami | |
+100 |
| Myrtle Beach | |
+94 |
| New York | |
+110 |
| San Diego | |
+80 |
| San Francisco | |
+68 |
| Santa Monica | |
+82 |
| Sarasota | |
+100 |
| Tampa | |
+98 |
| 1500 |  |
88°F | W 5 mph |
| 1800 |  |
90°F | W 3 mph |
| 2100 |  |
84°F | SW 4 mph |
| 0000 |  |
82°F | SW 3 mph |
| 0300 |  |
80°F | S 2 mph |
| 0600 | |
80°F | S 4 mph |
| 0900 | |
84°F | S 5 mph |
| 1200 | |
88°F | SW 6 mph |