World Resorts Portugal Sintra Weather

Sintra 14 Days Forecast

27.08
thu
Day
66°F
E 18 mph
Precip.
28%
Night
66°F
SE 9 mph
Precip.
14%
28.08
fri
Day
68°F
SE 10 mph
Precip.
10%
Night
66°F
S 16 mph
Precip.
15%
29.08
sat
Day
66°F
S 17 mph
Precip.
9%
Night
66°F
S 16 mph
Precip.
14%
30.08
sun
Day
68°F
S 12 mph
Precip.
13%
Night
66°F
S 15 mph
Precip.
16%
31.08
mon
Day
66°F
S 21 mph
Precip.
9%
Night
64°F
S 22 mph
Precip.
15%
01.09
tue
Day
66°F
S 24 mph
Precip.
9%
Night
64°F
S 27 mph
Precip.
11%
02.09
wed
Day
66°F
S 25 mph
Precip.
9%
Night
66°F
NW 24 mph
Precip.
15%
03.09
thu
Day
68°F
NE 18 mph
Precip.
11%
Night
70°F
S 20 mph
Precip.
13%
04.09
fri
Day
73°F
NE 11 mph
Precip.
9%
Night
70°F
S 15 mph
Precip.
14%
05.09
sat
Day
72°F
S 12 mph
Precip.
9%
Night
70°F
S 16 mph
Precip.
12%
06.09
sun
Day
73°F
S 12 mph
Precip.
16%
Night
72°F
S 14 mph
Precip.
23%
07.09
mon
Day
73°F
NE 13 mph
Precip.
21%
Night
68°F
NW 17 mph
Precip.
14%
08.09
tue
Day
68°F
S 16 mph
Precip.
9%
Night
68°F
S 14 mph
Precip.
11%
09.09
wed
Day
68°F
S 11 mph
Precip.
10%
Night
66°F
S 14 mph
Precip.
18%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 65.9°F. The highest and lowest sea temperatures during the month were 66.9°F and 64.2°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 62.6°F. The highest and lowest sea temperatures during the month were 66.0°F and 60.3°F.

Air temperature in Sintra, °F

Precipitation total in Sintra, in.

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

Best time for vacation in Sintra

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 78.1 °F
July 77.5 °F
September 76.6 °F
Warmest sea temp:
September 64.6 °F
October 64.2 °F
August 64.0 °F
Coldest months:
January 58.7 °F
February 59.4 °F
December 60.6 °F
Rainiest months:
March 4 days
November 4 days
January 4 days
Windiest months:
July 12.7 mph
August 12.4 mph
June 12.2 mph

Sintra on a weather map

Current weather
09:25
Sintra
+64°F
E 21 mph
Feels like: +64°F
Precip.: 43%
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
Sintra
Local time: 09:25
August 27, thursday
1200
66°F
E
18 mph
1500
66°F
E
16 mph
1800
66°F
E
14 mph
2100
66°F
SE
9 mph
August 28, friday
0000
66°F
SE
9 mph
0300
66°F
E
6 mph
0600
66°F
E
6 mph
0900
66°F
SE
7 mph
Units of measurement: °C / °F