Measurements:
°C
°F
CURRENT WEATHER
16:32
Evanston
80°F
N 4 mph
Feels like: 82°F
Precip: 5%
World Resorts USA Evanston Weather

7 Day Weather Forecast

08.25
tue
DAY
80°F
NW 4 mph
precip
2%
NIGHT
72°F
N 6 mph
precip
17%
08.26
wed
DAY
80°F
NE 12 mph
precip
9%
NIGHT
74°F
E 5 mph
precip
11%
08.27
thu
DAY
82°F
SW 8 mph
precip
1%
NIGHT
76°F
NE 5 mph
precip
4%
08.28
fri
DAY
86°F
S 2 mph
precip
1%
NIGHT
68°F
W 5 mph
precip
19%
08.29
sat
DAY
84°F
N 9 mph
precip
9%
NIGHT
74°F
N 9 mph
precip
6%
08.30
sun
DAY
90°F
NE 17 mph
precip
10%
NIGHT
76°F
N 3 mph
precip
20%
08.31
mon
DAY
86°F
NE 9 mph
precip
21%
NIGHT
82°F
NE 9 mph
precip
11%

Evanston Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Evanston was 22.1°F. The maximum and minimum values were 20.1°F and 23.3°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 75.6 °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