World Resorts Portugal Terceira Island Weather

Terceira Island 14 Days Forecast

27.08
thu
Day
68°F
S 9 mph
Precip.
4%
Night
66°F
E 5 mph
Precip.
19%
28.08
fri
Day
72°F
SE 11 mph
Precip.
14%
Night
68°F
E 7 mph
Precip.
31%
29.08
sat
Day
75°F
E 11 mph
Precip.
17%
Night
68°F
E 9 mph
Precip.
58%
30.08
sun
Day
72°F
S 5 mph
Precip.
19%
Night
66°F
W 3 mph
Precip.
22%
31.08
mon
Day
72°F
SE 2 mph
Precip.
4%
Night
66°F
E 3 mph
Precip.
9%
01.09
tue
Day
73°F
E 5 mph
Precip.
6%
Night
68°F
NE 2 mph
Precip.
15%
02.09
wed
Day
75°F
NE 2 mph
Precip.
7%
Night
68°F
N 6 mph
Precip.
16%
03.09
thu
Day
73°F
NE 5 mph
Precip.
5%
Night
68°F
N 6 mph
Precip.
16%
04.09
fri
Day
73°F
NE 8 mph
Precip.
6%
Night
68°F
N 8 mph
Precip.
15%
05.09
sat
Day
73°F
NE 11 mph
Precip.
23%
Night
70°F
NE 7 mph
Precip.
36%
06.09
sun
Day
70°F
NE 11 mph
Precip.
54%
Night
70°F
NE 10 mph
Precip.
42%
07.09
mon
Day
72°F
SE 7 mph
Precip.
24%
Night
66°F
SE 10 mph
Precip.
23%
08.09
tue
Day
68°F
SE 17 mph
Precip.
19%
Night
63°F
S 15 mph
Precip.
28%
09.09
wed
Day
64°F
S 16 mph
Precip.
21%
Night
63°F
S 16 mph
Precip.
20%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 73.5°F. The highest and lowest sea temperatures during the month were 75.0°F and 71.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 72.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 70.7°F.

Air temperature in Terceira Island, °F

Precipitation total in Terceira Island, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Terceira Island

Sunniest months:
August 8 days
September 7 days
June 7 days
Warmest months:
August 75.3 °F
September 73.3 °F
July 72.8 °F
Warmest sea temp:
August 73.9 °F
September 72.9 °F
July 70.7 °F
Coldest months:
March 59.8 °F
February 59.8 °F
January 60.5 °F
Rainiest months:
December 5 days
February 4 days
January 4 days
Windiest months:
December 17.0 mph
January 16.8 mph
February 16.1 mph

Terceira Island on a weather map

Current weather
09:13
Terceira Island
+64°F
S 10 mph
Feels like: +64°F
Precip.: 5%
Places in Portugal:
Name
°F
Albufeira
+68°F
Algarve
+68°F
Cascais
+66°F
Quarteira
+68°F
Lagos
+70°F
Lisbon
+64°F
Madeira
+59°F
Ponta Delgada
+70°F
Portimao
+68°F
Porto
+57°F
Sao Miguel
+70°F
Setubal
+66°F
Faro
+68°F
Funchal
+59°F
Ericeira
+63°F
all places
24 Hours Forecast
Terceira Island
Local time: 09:13
August 27, thursday
1200
68°F
S
9 mph
1500
70°F
S
7 mph
1800
68°F
S
6 mph
2100
64°F
S
5 mph
August 28, friday
0000
66°F
E
5 mph
0300
66°F
E
7 mph
0600
66°F
SE
9 mph
0900
68°F
SE
9 mph
Units of measurement: °C / °F