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)	2.81	2.89	3.11	3.31	3.19	3	2.69	3.19	3.89	4.39	4.5	4.5	4.5	4.19	3.89	3.61	3.19	2.69	2.19	2.11	2.5	2.69	2.81	2.89
Wind gust (m/s)	5.81	4.97	10.64	10.61	10.33	9.97	9.78	9.86	9.5	8.39	7.28	6.53	5.97	5.28	4.81	4.47	4.31	4.33	4.89	3.28	5.5	7.69	6.81	7.89
Wind direction (°)	E 94°	E 89°	E 84°	ENE 76°	ENE 72°	ENE 68°	ENE 64°	ENE 65°	ENE 64°	ENE 63°	ENE 67°	ENE 71°	ENE 73°	ENE 72°	ENE 71°	ENE 68°	ENE 68°	ENE 70°	ENE 75°	E 81°	ENE 77°	ENE 75°	ENE 74°	ENE 75°

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 (%)	62	68	72	77	78	80	82	78	73	67	60	55	50	47	44	42	43	44	47	53	55	57	58	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	756	757	757	758	758	757	757	756	755	754	753	753	753	753	754	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	1	3.2	9	9	9	9	10	10	10	9	8	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

← Tue, Nov 17

Wed, Nov 18, 2026

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 →