weathermetro
Cities / Brazil
/ Maranhão
☀️ União weather
Clear sky. No rain expected in the next few hours.
Feels like 28° Wind 5 km/h N Humidity 70% UV 0 Air Good ☀ 06:03 - 18:06
Right now it is 25° in União with clear skies, it feels more like 28° and today's high is 39° with an overnight low of 20° . The sun rises at 06:03 and sets at 18:06, giving 12h 03m of daylight. Over the coming week highs range from 35° to 38° - a steady stretch with little day-to-day change.
União is in Maranhão, Brazil, sitting 190 m above sea level. Local time is America/Fortaleza (UTC−3), and every time on this page is shown in it.
Next 24 hours - temperature
21°
29°
36°
36°
22°
22:00 · 24.9° · 0 mm
23:00 · 24.3° · 0 mm
00:00 · 24.1° · 0 mm
01:00 · 23.7° · 0 mm
02:00 · 23.3° · 0 mm
03:00 · 23° · 0 mm
04:00 · 22.1° · 0 mm
05:00 · 21.8° · 0 mm
06:00 · 21.7° · 0 mm
07:00 · 23.2° · 0 mm
08:00 · 26.2° · 0 mm
09:00 · 29° · 0 mm
10:00 · 31.8° · 0 mm
11:00 · 34° · 0 mm
12:00 · 35.8° · 0 mm
13:00 · 35.4° · 0 mm
14:00 · 34° · 0 mm
15:00 · 32.8° · 0 mm
16:00 · 31.1° · 0 mm
17:00 · 29.4° · 0 mm
18:00 · 28.8° · 0 mm
19:00 · 26.8° · 0 mm
20:00 · 28.2° · 0 mm
21:00 · 28.4° · 0 mm
Precipitation
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
04:00 · 0 mm
04:00
05:00 · 0 mm
06:00 · 0 mm
07:00 · 0 mm
07:00
08:00 · 0 mm
09:00 · 0 mm
10:00 · 0 mm
10:00
11:00 · 0 mm
12:00 · 0 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
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
22:00
☀️
24.9°
27.3°
-
Clear sky
23:00
⛅
24.3°
26.5°
-
Partly cloudy
00:00
⛅
24.1°
26.6°
-
Partly cloudy
01:00
☀️
23.7°
26.5°
-
Clear sky
02:00
☀️
23.3°
26.1°
-
Clear sky
03:00
☀️
23°
26.3°
-
Clear sky
04:00
🌤️
22.1°
25.9°
-
Mostly clear
05:00
⛅
21.8°
26°
-
Partly cloudy
06:00
⛅
21.7°
25.7°
-
Partly cloudy
07:00
⛅
23.2°
27.3°
-
Partly cloudy
08:00
⛅
26.2°
29.3°
-
Partly cloudy
09:00
⛅
29°
31.6°
-
Partly cloudy
☀️
TodayAugust 31st
Avg 28° Low 20° at 05:00
High 39° at 14:00
Wind ~9 km/h
Clear
Cloudy
Clear
00:00
25°
02:00
22°
04:00
20°
06:00
20°
08:00
26°
10:00
32°
12:00
36°
14:00
39°
16:00
37°
18:00
32°
20:00
28°
22:00
25°
☁️
TuesdaySeptember 1st
Avg 28° Low 22° at 06:00
High 36° at 12:00
Wind ~9 km/h
Clear
Partly Cloudy
Cloudy
00:00
24°
02:00
23°
04:00
22°
06:00
22°
08:00
26°
10:00
32°
12:00
36°
14:00
34°
16:00
31°
18:00
29°
20:00
28°
22:00
26°
☁️
WednesdaySeptember 2nd
Avg 29° Low 21° at 06:00
High 38° at 15:00
Wind ~11 km/h
Clear
Cloudy
Clear
00:00
24°
02:00
23°
04:00
22°
06:00
21°
08:00
26°
10:00
32°
12:00
36°
14:00
38°
16:00
38°
18:00
34°
20:00
30°
22:00
27°
☀️
ThursdaySeptember 3rd
Avg 29° Low 21° at 05:00
High 38° at 15:00
Wind ~13 km/h
Clear
Partly Cloudy
Clear
Clear
00:00
25°
02:00
22°
04:00
21°
06:00
21°
08:00
26°
10:00
32°
12:00
36°
14:00
38°
16:00
38°
18:00
33°
20:00
29°
22:00
26°
☁️
FridaySeptember 4th
Avg 28° Low 21° at 06:00
High 35° at 12:00
Wind ~13 km/h
Clear
Cloudy
Clear
00:00
25°
02:00
24°
04:00
22°
06:00
21°
08:00
26°
10:00
32°
12:00
35°
14:00
33°
16:00
34°
18:00
31°
20:00
28°
22:00
27°
⛅
SaturdaySeptember 5th
Avg 29° Low 21° at 06:00
High 37° at 15:00
Wind ~12 km/h
Clear
Partly Cloudy
Clear
00:00
25°
02:00
23°
04:00
21°
06:00
21°
08:00
26°
10:00
31°
12:00
35°
14:00
37°
16:00
36°
18:00
33°
20:00
30°
22:00
28°
☀️
SundaySeptember 6th
Avg 29° Low 19° at 05:00
High 38° at 15:00
Wind ~11 km/h
Clear
00:00
25°
02:00
22°
04:00
20°
06:00
19°
08:00
25°
10:00
31°
12:00
36°
14:00
38°
16:00
37°
18:00
33°
20:00
30°
22:00
27°
☀️
MondaySeptember 7th
Avg 29° Low 21° at 03:00
High 39° at 15:00
Wind ~12 km/h
Clear
Partly Cloudy
Clear
00:00
23°
02:00
21°
04:00
21°
06:00
23°
08:00
27°
10:00
31°
12:00
36°
14:00
39°
16:00
38°
18:00
34°
20:00
30°
22:00
28°
☀️
TuesdaySeptember 8th
Avg 29° Low 21° at 05:00
High 37° at 14:00
Wind ~11 km/h
Clear
Partly Cloudy
Clear
00:00
25°
02:00
24°
04:00
22°
06:00
21°
08:00
26°
10:00
32°
12:00
36°
14:00
37°
16:00
36°
18:00
33°
20:00
31°
22:00
28°
🌤️
WednesdaySeptember 9th
Avg 27° Low 21° at 05:00
High 35° at 15:00
Wind ~11 km/h
Clear
Cloudy
Clear
00:00
25°
02:00
23°
04:00
21°
06:00
21°
08:00
25°
10:00
28°
12:00
29°
14:00
33°
16:00
34°
18:00
31°
20:00
28°
22:00
26°
☀️
ThursdaySeptember 10th
Avg 29° Low 21° at 05:00
High 38° at 14:00
Wind ~13 km/h
Clear
00:00
25°
02:00
23°
04:00
21°
06:00
21°
08:00
26°
10:00
31°
12:00
36°
14:00
38°
16:00
36°
18:00
31°
20:00
28°
22:00
26°
☁️
FridaySeptember 11th
Avg 29° Low 22° at 03:00
High 38° at 14:00
Wind ~12 km/h
Clear
Cloudy
Clear
00:00
25°
02:00
23°
04:00
23°
06:00
24°
08:00
25°
10:00
29°
12:00
35°
14:00
38°
16:00
36°
18:00
31°
20:00
29°
22:00
28°
☀️
SaturdaySeptember 12th
Avg 29° Low 20° at 05:00
High 38° at 14:00
Wind ~10 km/h
Clear
00:00
26°
02:00
23°
04:00
21°
06:00
20°
08:00
26°
10:00
32°
12:00
36°
14:00
38°
16:00
36°
18:00
31°
20:00
29°
22:00
27°
☀️
SundaySeptember 13th
Avg 29° Low 20° at 05:00
High 39° at 15:00
Wind ~11 km/h
Clear
Partly Cloudy
Clear
00:00
25°
02:00
22°
04:00
20°
06:00
20°
08:00
25°
10:00
31°
12:00
37°
14:00
39°
16:00
38°
18:00
34°
20:00
32°
22:00
30°
☀️
MondaySeptember 14th
Avg 29° Low 21° at 04:00
High 38° at 14:00
Wind ~11 km/h
Clear
Cloudy
Clear
00:00
26°
02:00
22°
04:00
21°
06:00
22°
08:00
25°
10:00
30°
12:00
36°
14:00
38°
16:00
37°
18:00
34°
20:00
31°
22:00
28°
🌤️
TuesdaySeptember 15th
Avg 29° Low 20° at 05:00
High 38° at 14:00
Wind ~12 km/h
Clear
Clear
Cloudy
00:00
25°
02:00
23°
04:00
21°
06:00
21°
08:00
26°
10:00
32°
12:00
36°
14:00
38°
16:00
37°
18:00
34°
20:00
31°
22:00
29°
Sun
☀️ Sunrise 06:03 · Sunset 18:06
12h 03m of daylight · America/Fortaleza
Air quality
PM2.5 5.7 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about União weather
Will it rain in União today?
No rain is in the forecast for União today.
What is the temperature in União right now?
It is 25° in União right now, though it feels closer to 28° . Today runs between a low of 20° and a high of 39° .
What time is sunrise and sunset in União?
The sun rises at 06:03 and sets at 18:06 local time in União today, giving 12h 03m of daylight.
What is the air quality in União?
PM2.5 in União is currently 5.7 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 União 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 União 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.
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© 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