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USA

St. Augustine Weather

St. Augustine 14 Days Forecast

30.08
sun

Day

86°F

W 6 mph

Precip.
14%

Night

81°F

W 9 mph

Precip.
25%

31.08
mon

Day

82°F

SW 7 mph

Precip.
11%

Night

81°F

NW 5 mph

Precip.
13%

01.09
tue

Day

82°F

W 6 mph

Precip.
9%

Night

81°F

NW 9 mph

Precip.
28%

02.09
wed

Day

82°F

W 8 mph

Precip.
29%

Night

81°F

W 9 mph

Precip.
11%

03.09
thu

Day

82°F

W 7 mph

Precip.
7%

Night

81°F

NW 10 mph

Precip.
26%

04.09
fri

Day

82°F

NW 9 mph

Precip.
10%

Night

81°F

N 9 mph

Precip.
29%

05.09
sat

Day

82°F

NW 6 mph

Precip.
18%

Night

79°F

NE 7 mph

Precip.
14%

06.09
sun

Day

84°F

N 4 mph

Precip.
7%

Night

79°F

NE 9 mph

Precip.
22%

07.09
mon

Day

86°F

NE 5 mph

Precip.
5%

Night

81°F

NE 9 mph

Precip.
7%

08.09
tue

Day

88°F

NE 7 mph

Precip.
4%

Night

82°F

NE 10 mph

Precip.
8%

09.09
wed

Day

88°F

E 7 mph

Precip.
7%

Night

82°F

E 9 mph

Precip.
11%

10.09
thu

Day

88°F

E 6 mph

Precip.
4%

Night

79°F

NE 14 mph

Precip.
40%

11.09
fri

Day

90°F

E 9 mph

Precip.
6%

Night

81°F

NE 9 mph

Precip.
54%

12.09
sat

Day

82°F

SW 17 mph

Precip.
5%

Night

79°F

SW 17 mph

Precip.
5%

sea water
temperature

St. Augustine

monthly
weather

St. Augustine

current
weather

St. Augustine

7 days
forecast

St. Augustine

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 82.1°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.6°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 81.8°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.8°F.