21.07
tue
tue
Day
91°F
SE 12 mph
Precip.
1%
1%
Night
70°F
SW 16 mph
Precip.
13%
13%
22.07
wed
wed
Day
66°F
S 13 mph
Precip.
11%
11%
Night
64°F
E 6 mph
Precip.
3%
3%
23.07
thu
thu
Day
77°F
S 3 mph
Precip.
1%
1%
Night
70°F
E 6 mph
Precip.
4%
4%
24.07
fri
fri
Day
77°F
W 6 mph
Precip.
2%
2%
Night
70°F
NE 5 mph
Precip.
8%
8%
25.07
sat
sat
Day
77°F
NW 7 mph
Precip.
2%
2%
Night
73°F
NE 7 mph
Precip.
7%
7%
26.07
sun
sun
Day
84°F
NE 11 mph
Precip.
3%
3%
Night
77°F
NE 14 mph
Precip.
74%
74%
27.07
mon
mon
Day
81°F
SW 11 mph
Precip.
5%
5%
Night
72°F
S 14 mph
Precip.
4%
4%
sea water
temperature
temperature
| Evanston |
monthly
weather
weather
| Evanston |
current
weather
weather
| Evanston |
14 days
forecast
forecast
| Evanston |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.5°F. The highest and lowest sea temperatures during the month were 77.7°F and 65.7°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.
Air temperature in Evanston, °F
Precipitation total in Evanston, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Evanston
Evanston on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Evanston
Local time: 08:41
July 21, tuesday
0900
79°F
SE
14 mph
14 mph
1200
91°F
SE
12 mph
12 mph
1500
86°F
SE
14 mph
14 mph
1800
79°F
SE
12 mph
12 mph
2100
73°F
S
11 mph
11 mph
July 22, wednesday
0000
70°F
SW
16 mph
16 mph
0300
64°F
S
14 mph
14 mph
0600
59°F
S
13 mph
13 mph
