weathermetro
Cities / Brazil
/ Rio Grande do Sul
⛅ São Marcos weather
Partly cloudy. Light rain starting around 5:15am.
Feels like 12° Wind 18 km/h SE Humidity 91% UV 0 Air Good ☀ 06:49 - 18:37
Right now it is 14° in São Marcos with partly cloudy skies, today's high is 21° with an overnight low of 13° and about 5.3 mm of rain is expected. The sun rises at 06:49 and sets at 18:37, giving 11h 48m of daylight. Over the coming week highs range from 18° to 25° .
São Marcos is in Rio Grande do Sul, Brazil, sitting 60 m above sea level. Local time is America/Sao_Paulo (UTC−3), and every time on this page is shown in it.
Next 24 hours - temperature
11°
16°
21°
21°
12°
04:00 · 14.3° · 0 mm
05:00 · 13.7° · 0 mm
06:00 · 13.9° · 0.5 mm
07:00 · 14.2° · 0.5 mm
08:00 · 14.8° · 0.9 mm
09:00 · 15.4° · 0.9 mm
10:00 · 14.6° · 1.4 mm
11:00 · 14.5° · 1 mm
12:00 · 15° · 0.1 mm
13:00 · 15.3° · 0 mm
14:00 · 19.5° · 0 mm
15:00 · 20.5° · 0 mm
16:00 · 21° · 0 mm
17:00 · 20.7° · 0 mm
18:00 · 19° · 0 mm
19:00 · 16.4° · 0 mm
20:00 · 15° · 0 mm
21:00 · 14.3° · 0 mm
22:00 · 14.2° · 0 mm
23:00 · 13.4° · 0 mm
00:00 · 12.6° · 0 mm
01:00 · 12.2° · 0 mm
02:00 · 12.1° · 0 mm
03:00 · 11.9° · 0 mm
Precipitation
04:00 · 0 mm
04:00
05:00 · 0 mm
06:00 · 0.5 mm
07:00 · 0.5 mm
07:00
08:00 · 0.9 mm
09:00 · 0.9 mm
10:00 · 1.4 mm
10:00
11:00 · 1 mm
12:00 · 0.1 mm
13:00 · 0 mm
13:00
14:00 · 0 mm
15:00 · 0 mm
16:00 · 0 mm
16:00
17:00 · 0 mm
18:00 · 0 mm
19:00 · 0 mm
19:00
20:00 · 0 mm
21:00 · 0 mm
22:00 · 0 mm
22:00
23:00 · 0 mm
00:00 · 0 mm
01:00 · 0 mm
01:00
02:00 · 0 mm
03:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
04:00
🌤️
14.3°
11.4°
-
Mostly clear
05:00
☁️
13.7°
10.9°
-
Overcast
06:00
🌦️
13.9°
11.1°
0.5 mm
Light rain
07:00
🌦️
14.2°
11.8°
0.5 mm
Light rain
08:00
🌦️
14.8°
13°
0.9 mm
Light rain
09:00
🌦️
15.4°
14.2°
0.9 mm
Light rain
10:00
🌧️
14.6°
11°
1.4 mm
Rain
11:00
🌧️
14.5°
11.6°
1 mm
Rain
12:00
🌦️
15°
13.5°
0.1 mm
Light rain
13:00
☁️
15.3°
13.7°
-
Overcast
14:00
⛅
19.5°
16.7°
-
Partly cloudy
15:00
☀️
20.5°
17.4°
-
Clear sky
🌧️
TodaySeptember 11th
Avg 16° Low 13° at 23:00
High 21° at 16:00
5.3 mm rain Feels 18° Wind ~25 km/h
Cloudy
Rain
Clear
00:00
15°
02:00
16°
04:00
14°
06:00
14°
0.5mm
08:00
15°
0.9mm
10:00
15°
1.4mm
12:00
15°
0.1mm
14:00
20°
16:00
21°
18:00
19°
20:00
15°
22:00
14°
☀️
SaturdaySeptember 12th
Avg 15° Low 10° at 07:00
High 20° at 14:00
Feels 15° Wind ~25 km/h
Cloudy
Clear
00:00
13°
02:00
12°
04:00
12°
06:00
11°
08:00
12°
10:00
16°
12:00
19°
14:00
20°
16:00
20°
18:00
17°
20:00
14°
22:00
13°
☀️
SundaySeptember 13th
Avg 13° Low 8° at 07:00
High 18° at 15:00
Feels 13° Wind ~26 km/h
Cloudy
Clear
Partly Cloudy
Cloudy
Clear
00:00
11°
02:00
13°
04:00
10°
06:00
9°
08:00
10°
10:00
14°
12:00
16°
14:00
18°
16:00
18°
18:00
16°
20:00
13°
22:00
11°
🌦️
MondaySeptember 14th
Avg 14° Low 9° at 01:00
High 20° at 14:00
0.5 mm rain Feels 16° Wind ~18 km/h
Cloudy
00:00
9°
02:00
11°
04:00
11°
06:00
11°
08:00
12°
10:00
14°
12:00
18°
14:00
20°
16:00
19°
18:00
16°
0.1mm
20:00
15°
0.1mm
22:00
14°
0.1mm
🌦️
TuesdaySeptember 15th
Avg 15° Low 10° at 07:00
High 20° at 15:00
0.3 mm rain Feels 17° Wind ~15 km/h
Clear
00:00
14°
0.2mm
02:00
13°
04:00
11°
06:00
11°
08:00
12°
10:00
17°
12:00
19°
14:00
20°
16:00
20°
18:00
18°
20:00
14°
22:00
12°
☀️
WednesdaySeptember 16th
Avg 14° Low 9° at 05:00
High 20° at 15:00
Feels 15° Wind ~24 km/h
Clear
00:00
11°
02:00
10°
04:00
9°
06:00
9°
08:00
12°
10:00
15°
12:00
18°
14:00
20°
16:00
19°
18:00
17°
20:00
14°
22:00
12°
☀️
ThursdaySeptember 17th
Avg 16° Low 8° at 05:00
High 25° at 15:00
Wind ~22 km/h
Clear
Partly Cloudy
00:00
12°
02:00
10°
04:00
8°
06:00
8°
08:00
11°
10:00
16°
12:00
21°
14:00
24°
16:00
25°
18:00
23°
20:00
20°
22:00
17°
☁️
FridaySeptember 18th
Avg 20° Low 15° at 05:00
High 26° at 15:00
Wind ~13 km/h
Partly Cloudy
Cloudy
Partly Cloudy
Cloudy
00:00
17°
02:00
16°
04:00
16°
06:00
15°
08:00
18°
10:00
21°
12:00
24°
14:00
26°
16:00
25°
18:00
23°
20:00
21°
22:00
19°
☁️
SaturdaySeptember 19th
Avg 20° Low 15° at 05:00
High 27° at 15:00
Wind ~19 km/h
Partly Cloudy
Cloudy
Partly Cloudy
00:00
17°
02:00
16°
04:00
16°
06:00
16°
08:00
18°
10:00
21°
12:00
25°
14:00
26°
16:00
26°
18:00
23°
20:00
20°
22:00
18°
☀️
SundaySeptember 20th
Avg 20° Low 15° at 05:00
High 27° at 15:00
Wind ~14 km/h
Cloudy
Clear
Partly Cloudy
00:00
17°
02:00
16°
04:00
16°
06:00
15°
08:00
18°
10:00
21°
12:00
25°
14:00
26°
16:00
26°
18:00
24°
20:00
21°
22:00
19°
🌦️
MondaySeptember 21st
Avg 19° Low 16° at 22:00
High 27° at 12:00
4.1 mm rain Feels 25° Wind ~27 km/h
Partly Cloudy
Clear
Partly Cloudy
Rain
00:00
18°
02:00
17°
04:00
16°
06:00
16°
08:00
19°
10:00
24°
12:00
27°
14:00
20°
0.7mm
16:00
17°
0.5mm
18:00
19°
0.5mm
20:00
17°
0.1mm
22:00
16°
0.1mm
🌧️
TuesdaySeptember 22nd
Avg 16° Low 11° at 23:00
High 21° at 13:00
4.3 mm rain Feels 15° Wind ~38 km/h
Rain
Rain
Partly Cloudy
Clear
00:00
16°
0.1mm
02:00
16°
0.1mm
04:00
15°
06:00
15°
08:00
14°
1.3mm
10:00
16°
12:00
21°
14:00
20°
16:00
18°
18:00
15°
20:00
13°
22:00
11°
☀️
WednesdaySeptember 23rd
Avg 12° Low 7° at 06:00
High 17° at 15:00
Feels 13° Wind ~25 km/h
Clear
00:00
11°
02:00
9°
04:00
8°
06:00
7°
08:00
9°
10:00
12°
12:00
15°
14:00
17°
16:00
17°
18:00
15°
20:00
12°
22:00
10°
☀️
ThursdaySeptember 24th
Avg 14° Low 7° at 05:00
High 21° at 15:00
Feels 17° Wind ~17 km/h
Clear
Clear
00:00
9°
02:00
8°
04:00
7°
06:00
7°
08:00
11°
10:00
15°
12:00
19°
14:00
21°
16:00
20°
18:00
18°
20:00
15°
22:00
13°
☀️
FridaySeptember 25th
Avg 18° Low 10° at 05:00
High 26° at 15:00
Feels 21° Wind ~24 km/h
Partly Cloudy
Clear
00:00
13°
02:00
11°
04:00
10°
06:00
10°
08:00
14°
10:00
19°
12:00
24°
14:00
26°
16:00
25°
18:00
23°
20:00
19°
22:00
17°
☀️
SaturdaySeptember 26th
Avg 21° Low 0° at 05:00
High 0° at 15:00
Feels 29° Wind ~20 km/h
Clear
00:00
16°
02:00
15°
04:00
14°
06:00
14°
08:00
18°
10:00
23°
12:00
27°
14:00
29°
16:00
29°
18:00
26°
20:00
22°
22:00
0°
Sun
☀️ Sunrise 06:49 · Sunset 18:37
11h 48m of daylight · America/Sao_Paulo
Air quality
PM2.5 4.1 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about São Marcos weather
Will it rain in São Marcos today?
Yes - about 5.3 mm of rain is expected in São Marcos today.
What is the temperature in São Marcos right now?
It is 14° in São Marcos right now, though it feels closer to 12° . Today runs between a low of 13° and a high of 21° .
What time is sunrise and sunset in São Marcos?
The sun rises at 06:49 and sets at 18:37 local time in São Marcos today, giving 11h 48m of daylight.
What is the air quality in São Marcos?
PM2.5 in São Marcos is currently 4.1 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.
How accurate is the São Marcos forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers São Marcos best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
This page is a live API demo. Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.
Read the docs
weathermetro A HatchSquare product. Weather for every place on Earth - free to read, free to build on, priced only when you need scale.
© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC