Current sea water temperature:
+71.8°F
| Minimum sea water temperature in August: | 76.5°F |
| Maximum sea water temperature in August: | 68.2°F |
| Average sea water temperature in August: | 73.0°F |
| more information | |
14 days
forecast
forecast
| Evanston |
monthly
weather
weather
| Evanston |
Sea water temperature for the last 10 days:
| August 14 | 71.8°F | August 9 | 70.5°F |
| August 13 | 71.4°F | August 8 | 70.3°F |
| August 12 | 73.0°F | August 7 | 71.2°F |
| August 11 | 72.5°F | August 6 | 70.7°F |
| August 10 | 70.7°F | August 5 | 69.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Evanston?
Based on the data about daily sea water temperature for the last three years the warmest sea in Evanston was noticed in August, July and September.
Monthly Sea Temperatures in Evanston, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.9°F. The highest and lowest sea temperatures during the month were 76.5°F and 70.3°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 72.1°F. The highest and lowest sea temperatures during the month were 77.7°F and 65.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 69.6°F. The highest and lowest sea temperatures during the month were 72.0°F and 66.4°F.
current
weather
weather
| Evanston |
weather in
August
August
| Evanston |
Best time for vacation in Evanston
Evanston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Evanston
Local time: 07:40
August 14, friday
0900

73°F
W
8 mph
8 mph
1200

75°F
W
7 mph
7 mph
1500

79°F
W
7 mph
7 mph
1800

77°F
W
6 mph
6 mph
2100

75°F
SW
5 mph
5 mph
August 15, saturday
0000

73°F
W
6 mph
6 mph
0300

73°F
NW
12 mph
12 mph
0600

72°F
NW
8 mph
8 mph





























