🇧🇷 Weather in Santarém
Map Overlays:
Hourly Forecast for Santarém
17:00
37°
9%
18:00
33°
9%
19:00
30°
9%
20:00
29°
9%
21:00
28°
9%
22:00
28°
9%
23:00
27°
10%
00:00
26°
10%
01:00
25°
10%
02:00
25°
10%
03:00
25°
10%
04:00
26°
9%
05:00
25°
4%
06:00
24°
2%
07:00
25°
2%
08:00
28°
1%
09:00
31°
1%
10:00
33°
1%
11:00
35°
1%
12:00
37°
1%
13:00
39°
1%
14:00
39°
9%
15:00
40°
9%
16:00
39°
9%
14-Day Forecast for Santarém
2026-10-15
Overcast
37° /
26°
2026-10-16
Sunny
40° /
24°
2026-10-17
Sunny
40° /
26°
2026-10-18
Overcast
39° /
26°
2026-10-19
Smoky haze
38° /
24°
2026-10-20
Overcast
37° /
24°
2026-10-21
Overcast
39° /
24°
Additional Forecasts for Santarém
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 140.0 μg/m³
O₃ (Ozone) 68.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.3 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 9.8 μg/m³
PM10 (Coarse particles) 12.3 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in Santarém — FAQ
Answers refreshed each request based on current conditions in Santarém.
What is the weather like right now in Santarém?
Right now in Santarém, Brazil the temperature is 37.3°C (feels like 36.0°C), with overcast. Relative humidity is 23% and wind is 11.2 km/h.
What is today's high and low temperature in Santarém?
Today's forecast high in Santarém is 37.3°C and the overnight low is 25.8°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Santarém today?
The chance of precipitation in Santarém today is 9%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Santarém differ from nearby cities?
Even short distances can change temperatures noticeably. Santarém's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.