Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2	2	2.31	2.11	2.31	2.39	2.5	2.61	3	3.5	3.69	3.5	3.31	3.31	3.31	3.31	2.89	2.69	2.31	2	1.89	2	2.31	2.5
Wind gust (m/s)	4.36	4.33	4.64	4.53	4.83	5.64	5.97	6.42	7.58	8.61	8.61	8.56	8.72	8.58	8.44	8.33	3.78	3.83	4.39	2.03	6.89	5	6.31	7.5
Wind direction (°)	E 89°	E 82°	E 79°	E 83°	ENE 74°	ENE 63°	NE 49°	NE 49°	NE 52°	NE 52°	NE 54°	NE 56°	ENE 60°	ENE 61°	ENE 64°	ENE 70°	E 80°	E 88°	E 93°	E 87°	E 90°	E 82°	E 89°	E 95°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	60	62	67	71	71	71	72	70	67	62	56	52	47	42	38	35	38	40	44	48	51	53	57	60

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	756	756	755	755	755	756	757	757	758	758	758	758	758	756	755	755	754	753	753	754	755	755	755	755

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.1	0.9	2.9	5.9	9.3	11.4	12.1	10.5	7.4	4	1.4	0.3	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Tue, Nov 17, 2026

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Santarém on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

Learn more about our methodology →