Measurements:
°C
°F
Oak Park
-4°F
N 7 mph
Feels like: -16°F
Precip: 0%
World Resorts USA Oak Park Weather

Oak Park Sea Water Temperature

Current Sea Water Temperature:
+40.8°F
Maximum Sea Water Temperature in December: 46.4°F
Minimum Sea Water Temperature in December: 33.2°F
Average water temperature in December: 40.2°F

Sea Water Temperature for the Last 10 Days:

December 05 40.8°F November 30 44.4°F
December 04 44.6°F November 29 45.0°F
December 03 44.6°F November 28 45.8°F
December 02 44.6°F November 27 45.8°F
December 01 44.8°F November 26 46.0°F

When is the Warmest Sea for Oak Park?

According to our data for the last three years for Oak Park the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Oak Park was 76.5°F. The maximum and minimum values were 72.0°F and 80.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Oak Park was 75.7°F. The maximum and minimum values were 73.0°F and 79.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Oak Park was 69.7°F. The maximum and minimum values were 65.4°F and 72.8°F respectively.

Best Time to Visit Oak Park
The most sunny months:
September 18 days
August 16 days
June 15 days
The most warm months:
July 86.0 °F
August 85.3 °F
June 82.5 °F
Warmest sea temperature:
August 75.8 °F
July 73.8 °F
September 71.3 °F
The most cold months:
January 26.8 °F
February 30.4 °F
December 35.4 °F
The most rainy months:
May 3 days
April 3 days
October 2 days
The most windy months:
March 9 mph
April 9 mph
November 9 mph

Oak Park on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Oak Park
Local time: 02:31
05 dec, friday
0300 -4°F
N
7 mph
0600 -2°F
NE
7 mph
0900 12°F
NE
9 mph
1200 26°F
NE
10 mph
1500 26°F
NE
10 mph
1800 26°F
NE
11 mph
2100 26°F
NE
11 mph
06 dec, saturday
0000 26°F
NE
9 mph