Measurements:
°C
°F
CURRENT WEATHER
13:19
Evanston
80°F
E 2 mph
Feels like: 84°F
Precip: 44%
World Resorts USA Evanston Weather

7 Day Weather Forecast

08.05
wed
DAY
80°F
E 2 mph
precip
44%
NIGHT
72°F
W 5 mph
precip
77%
08.06
thu
DAY
76°F
NE 6 mph
precip
35%
NIGHT
74°F
NE 6 mph
precip
25%
08.07
fri
DAY
84°F
NW 6 mph
precip
6%
NIGHT
78°F
E 5 mph
precip
15%
08.08
sat
DAY
88°F
NW 4 mph
precip
4%
NIGHT
80°F
NE 7 mph
precip
12%
08.09
sun
DAY
88°F
E 6 mph
precip
3%
NIGHT
78°F
NW 3 mph
precip
11%
08.10
mon
DAY
74°F
SW 10 mph
precip
42%
NIGHT
72°F
W 2 mph
precip
11%
08.11
tue
DAY
80°F
W 6 mph
precip
4%
NIGHT
72°F
SW 3 mph
precip
8%

Evanston Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Evanston was 23.3°F. The maximum and minimum values were 21.3°F and 24.7°F respectively.

Evanston on the Weather Map

Best Time to Visit Evanston
The most sunny months:
September 17 days
August 17 days
June 16 days
The most warm months:
July 83.2 °F
August 82.9 °F
June 78.0 °F
Warmest sea temperature:
August 75.8 °F
July 73.8 °F
September 71.5 °F
The most cold months:
January 26.1 °F
February 30.3 °F
December 34.2 °F
The most rainy months:
May 3 days
April 2 days
October 2 days
The most windy months:
November 11 mph
March 10 mph
January 10 mph
more details