Measurements:
°C
°F
Evanston
62°F
W 7 mph
Feels like: 62°F
Precip: 2%
World Resorts USA Evanston Weather

7 Day Weather Forecast

10.05
mon
DAY
66°F
SW 6 mph
precip
1%
NIGHT
58°F
NW 6 mph
precip
5%
10.06
tue
DAY
70°F
N 11 mph
precip
1%
NIGHT
66°F
NE 11 mph
precip
1%
10.07
wed
DAY
78°F
E 7 mph
precip
2%
NIGHT
66°F
SE 8 mph
precip
2%
10.08
thu
DAY
70°F
S 7 mph
precip
1%
NIGHT
62°F
E 3 mph
precip
7%
10.09
fri
DAY
74°F
NE 4 mph
precip
8%
NIGHT
66°F
NW 7 mph
precip
17%
10.10
sat
DAY
76°F
N 11 mph
precip
9%
NIGHT
72°F
N 8 mph
precip
10%
10.11
sun
DAY
68°F
W 6 mph
precip
15%
NIGHT
66°F
NE 4 mph
precip
7%

Evanston Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Evanston was 17.0°F. The maximum and minimum values were 12.6°F and 23.2°F respectively.

Evanston on the Weather Map

Best Time to Visit Evanston
The most sunny months:
August 17 days
June 16 days
September 15 days
The most warm months:
July 83.2 °F
August 82.8 °F
June 78.0 °F
Warmest sea temperature:
August 75.6 °F
July 73.8 °F
September 71.2 °F
The most cold months:
January 26.1 °F
February 30.3 °F
December 34.2 °F
The most rainy months:
May 3 days
October 2 days
April 2 days
The most windy months:
November 11 mph
March 10 mph
January 10 mph