Weather
Puerto Rico
San Sebastián, San Sebastian

Weather San Sebastián, San Sebastian today

25 °C	28 °C	9 am
29 °C	31 °C	12 pm
26 °C	29 °C	3 pm
21 °C	25 °C	9 pm

sunrise 7:01 am
sunset 6:08 pm

HOURLY

Weather forecast San Sebastián, San Sebastian Jan. 9, 2026

During the day clear, later morning light rain showers, in the afternoon initially light rain showers, later rain showers. The highest temperature 29 °C. Total rainfall 2.8 mm. At night the lowest temperature 21 °C.

Interactive map weather Commonwealth of Puerto Rico

GPS: 18.3366; -66.9902

altitude: 83 m
local time:

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Weather forecast San Sebastián, San Sebastian, Puerto Rico extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Today, Friday 01/09/2026
12 AM 11 PM	clear	21 °C 24 °C	0.0 mm	2.7 m/s 10 km/h east	1017 hPa	93 %	19 °C	7 %	0%	1%	7%	0%
1 AM 12 AM	clear	21 °C 24 °C	0.0 mm	2.6 m/s 9 km/h east	1017 hPa	94 %	19 °C	2 %	0%	0%	2%	0%
2 AM 1 AM	clear	20 °C 23 °C	0.0 mm	2.5 m/s 9 km/h east	1016 hPa	94 %	19 °C	3 %	0%	3%	1%	0%
3 AM 2 AM	clear	20 °C 23 °C	0.0 mm	2.6 m/s 9 km/h east	1016 hPa	94 %	19 °C	5 %	0%	4%	3%	0%
4 AM 3 AM	clear	20 °C 23 °C	0.0 mm	2.9 m/s 10 km/h east	1016 hPa	93 %	18 °C	1 %	0%	1%	0%	0%
5 AM 4 AM	clear	20 °C 23 °C	0.0 mm	2.9 m/s 10 km/h east	1016 hPa	93 %	18 °C	0 %	0%	0%	0%	0%
6 AM 5 AM	clear	20 °C 23 °C	0.0 mm	2.9 m/s 10 km/h east	1016 hPa	92 %	18 °C	0 %	0%	0%	0%	0%
7 AM 6 AM	clear	20 °C 22 °C	0.0 mm	3.2 m/s 12 km/h east	1017 hPa	92 %	18 °C	0 %	0%	0%	0%	0%
8 AM 7 AM	clear	22 °C 25 °C	0.0 mm	3.5 m/s 13 km/h east	1017 hPa	86 %	19 °C	0 %	0%	0%	0%	0%
9 AM 8 AM	clear	25 °C 28 °C	0.0 mm	2.9 m/s 10 km/h east-northeast	1018 hPa	76 %	20 °C	0 %	0%	0%	0%	0%
10 AM 9 AM	clear	27 °C 30 °C	0.0 mm	3.7 m/s 13 km/h east-northeast	1018 hPa	68 %	20 °C	0 %	0%	0%	0%	0%
11 AM 10 AM	partly cloudy	28 °C 31 °C	0.0 mm	3.9 m/s 14 km/h east-northeast	1018 hPa	60 %	19 °C	18 %	0%	8%	14%	0%
12 PM 11 AM	light rain showers	29 °C 32 °C	0.2 mm	4.2 m/s 15 km/h east-northeast	1017 hPa	56 %	18 °C	25 %	0%	10%	18%	0%
1 PM 12 PM	rain showers	29 °C 31 °C	0.5 mm	4.5 m/s 16 km/h east-northeast	1017 hPa	55 %	18 °C	35 %	0%	10%	32%	0%
2 PM 1 PM	rain showers	28 °C 30 °C	0.9 mm	4.7 m/s 17 km/h east-northeast	1016 hPa	58 %	19 °C	53 %	0%	21%	41%	0%
3 PM 2 PM	rain showers	26 °C 29 °C	0.6 mm	4.4 m/s 16 km/h east-northeast	1016 hPa	70 %	19 °C	82 %	0%	43%	69%	0%
4 PM 3 PM	rain showers	26 °C 30 °C	0.5 mm	3.5 m/s 13 km/h east-northeast	1016 hPa	75 %	20 °C	67 %	0%	57%	41%	0%
5 PM 4 PM	cloudy	24 °C 28 °C	0.0 mm	3.8 m/s 14 km/h east-northeast	1016 hPa	84 %	20 °C	54 %	0%	23%	47%	0%
6 PM 5 PM	partly cloudy	23 °C 26 °C	0.0 mm	3.0 m/s 11 km/h east-northeast	1016 hPa	87 %	20 °C	35 %	0%	9%	33%	0%
7 PM 6 PM	partly cloudy	22 °C 25 °C	0.0 mm	3.6 m/s 13 km/h east-northeast	1016 hPa	93 %	20 °C	17 %	0%	3%	17%	0%
8 PM 7 PM	partly cloudy	21 °C 24 °C	0.0 mm	3.2 m/s 12 km/h east-northeast	1017 hPa	95 %	20 °C	15 %	0%	2%	14%	0%
9 PM 8 PM	clear	21 °C 24 °C	0.0 mm	3.2 m/s 12 km/h east-northeast	1017 hPa	95 %	20 °C	4 %	0%	0%	3%	0%
10 PM 9 PM	partly cloudy	21 °C 24 °C	0.0 mm	3.5 m/s 13 km/h east-northeast	1017 hPa	97 %	20 °C	13 %	0%	2%	10%	0%
11 PM 10 PM	clear	21 °C 24 °C	0.0 mm	3.6 m/s 13 km/h east-northeast	1017 hPa	97 %	20 °C	10 %	0%	8%	1%	0%
Tomorrow, Saturday 01/10/2026
12 AM 11 PM	clear	21 °C 24 °C	0.0 mm	3.4 m/s 12 km/h east-northeast	1017 hPa	97 %	20 °C	5 %	0%	3%	1%	0%
1 AM 12 AM	clear	21 °C 24 °C	0.0 mm	3.4 m/s 12 km/h east-northeast	1017 hPa	97 %	20 °C	10 %	1%	7%	3%	0%
2 AM 1 AM	clear	21 °C 24 °C	0.0 mm	3.3 m/s 12 km/h east	1016 hPa	97 %	20 °C	9 %	3%	6%	3%	0%
3 AM 2 AM	clear	21 °C 24 °C	0.0 mm	3.4 m/s 12 km/h east-northeast	1015 hPa	96 %	20 °C	3 %	1%	3%	0%	0%
4 AM 3 AM	clear	21 °C 24 °C	0.0 mm	3.4 m/s 12 km/h east-northeast	1015 hPa	95 %	20 °C	3 %	0%	1%	3%	0%
5 AM 4 AM	clear	21 °C 24 °C	0.0 mm	3.5 m/s 13 km/h east-northeast	1015 hPa	95 %	20 °C	1 %	0%	1%	0%	0%
6 AM 5 AM	clear	21 °C 24 °C	0.0 mm	3.4 m/s 12 km/h east	1016 hPa	95 %	20 °C	3 %	0%	1%	1%	0%
7 AM 6 AM	clear	21 °C 24 °C	0.0 mm	3.5 m/s 13 km/h east	1016 hPa	95 %	20 °C	4 %	0%	1%	3%	0%
8 AM 7 AM	clear	22 °C 25 °C	0.0 mm	3.7 m/s 13 km/h east	1017 hPa	89 %	20 °C	5 %	0%	0%	5%	0%
9 AM 8 AM	partly cloudy	25 °C 29 °C	0.0 mm	3.6 m/s 13 km/h east-northeast	1017 hPa	81 %	21 °C	15 %	0%	8%	6%	1%
10 AM 9 AM	partly cloudy	26 °C 29 °C	0.0 mm	4.8 m/s 17 km/h east-northeast	1018 hPa	73 %	21 °C	26 %	0%	22%	3%	1%
11 AM 10 AM	partly cloudy	27 °C 30 °C	0.0 mm	4.6 m/s 17 km/h east-northeast	1017 hPa	68 %	20 °C	20 %	0%	9%	12%	0%
12 PM 11 AM	partly cloudy	28 °C 31 °C	0.0 mm	4.4 m/s 16 km/h east-northeast	1017 hPa	64 %	20 °C	14 %	0%	10%	4%	0%
1 PM 12 PM	heavy rain showers	28 °C 31 °C	1.7 mm	4.8 m/s 17 km/h east-northeast	1016 hPa	62 %	20 °C	25 %	0%	14%	13%	0%
2 PM 1 PM	rain showers	27 °C 30 °C	0.3 mm	5.1 m/s 18 km/h east-northeast	1015 hPa	70 %	20 °C	54 %	0%	24%	41%	2%
3 PM 2 PM	cloudy	27 °C 30 °C	0.0 mm	4.7 m/s 17 km/h east-northeast	1015 hPa	70 %	21 °C	41 %	0%	22%	28%	0%
4 PM 3 PM	cloudy	26 °C 29 °C	0.0 mm	4.7 m/s 17 km/h east-northeast	1015 hPa	69 %	20 °C	53 %	0%	22%	43%	0%
5 PM 4 PM	partly cloudy	25 °C 28 °C	0.0 mm	4.4 m/s 16 km/h east-northeast	1015 hPa	74 %	20 °C	19 %	0%	4%	15%	0%
6 PM 5 PM	partly cloudy	24 °C 27 °C	0.0 mm	3.5 m/s 13 km/h east-northeast	1015 hPa	79 %	20 °C	14 %	0%	4%	11%	0%
7 PM 6 PM	partly cloudy	23 °C 26 °C	0.0 mm	3.2 m/s 12 km/h east-northeast	1015 hPa	86 %	20 °C	29 %	0%	3%	21%	11%
8 PM 7 PM	partly cloudy	22 °C 25 °C	0.0 mm	3.6 m/s 13 km/h east-northeast	1016 hPa	88 %	20 °C	16 %	0%	5%	11%	0%
9 PM 8 PM	partly cloudy	22 °C 25 °C	0.0 mm	3.7 m/s 13 km/h east-northeast	1016 hPa	92 %	20 °C	14 %	0%	5%	9%	2%
10 PM 9 PM	clear	22 °C 26 °C	0.0 mm	3.4 m/s 12 km/h east-northeast	1016 hPa	94 %	20 °C	12 %	0%	7%	5%	0%
11 PM 10 PM	partly cloudy	22 °C 26 °C	0.0 mm	3.6 m/s 13 km/h east-northeast	1017 hPa	95 %	20 °C	14 %	0%	4%	10%	0%

San Sebastián, San Sebastian, Puerto Rico - information

State: Puerto Rico

GPS coordinates: 18.3366; -66.9902

Time zone: America / Puerto Rico time difference in hours with time in US is -5 hours

Population: 11 590
Altitude: 83 m
The administrative part:

San Sebastián Municipio, San Sebastián, San Sebastian
San Sebastián Barrio-Pueblo, San Sebastián, San Sebastian

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Data source

Weather forecast for San Sebastián, San Sebastian is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

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Astronomical information San Sebastián, San Sebastian

data are always in the local time

Sun and light

Jan. 9, 2026

Sunrise:	Sunset:
7:01 am	6:08 pm
Noon:	Length of day:
12:35 pm	11:06
Start of civil twilight*:	End of civil twilight*:
6:37 am	6:32 pm
Start of nautical twilight*:	End of nautical twilight*:
6:11 am	6:58 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:44 am	7:25 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/08/2026 11:19 pm	01/09/2026 11:29 am
Next new moon:	Next full moon:
01/18/2026	02/01/2026