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    União

    World / Brazil / Piauí

    4°35'S / 42°51'W / Altitude 66 m / 03:14 2026/07/22, America/Fortaleza (UTC-3)

    25 °C
    Wind speed 5 km/h
     
    Humidity 89 %

    Calculated from nearby stations (03:00 2026/07/22)

    Open Radar Map

    Weather for the next 24 hours

    04:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow
    partly cloudy
    23 °C
    0 mm
    0 %
    NW
    1 km/h
    		 fog
    23 °C
    0 mm
    0 %
    SE
    1 km/h
    		 fog
    23 °C
    0 mm
    0 %
    S
    3 km/h
    		 fog
    24 °C
    0 mm
    0 %
    SE
    1 km/h
    		 partly cloudy
    26 °C
    0 mm
    0 %
    SE
    4 km/h
    		 partly cloudy
    28 °C
    0 mm
    20 %
    SE
    6 km/h
    		 mixed with rain showers
    29 °C
    0.2 mm
    60 %
    SE
    9 km/h
    		 mostly cloudy
    30 °C
    0.1 mm
    60 %
    SE
    9 km/h
    		 partly cloudy
    31 °C
    0 mm
    10 %
    E
    9 km/h
    		 partly cloudy
    32 °C
    0 mm
    10 %
    SE
    8 km/h
    		 partly cloudy
    33 °C
    0 mm
    10 %
    E
    7 km/h
    		 mostly cloudy
    33 °C
    0 mm
    10 %
    E
    7 km/h
    		 mostly cloudy
    32 °C
    0 mm
    10 %
    E
    9 km/h
    		 overcast
    31 °C
    0 mm
    0 %
    E
    5 km/h
    		 mostly cloudy
    29 °C
    0 mm
    10 %
    N
    3 km/h
    		 partly cloudy
    28 °C
    0 mm
    0 %
    NE
    4 km/h
    		 mostly cloudy
    27 °C
    0 mm
    10 %
    N
    3 km/h
    		 overcast
    27 °C
    0 mm
    0 %
    N
    3 km/h
    		 overcast
    26 °C
    0 mm
    10 %
    N
    5 km/h
    		 overcast
    25 °C
    0 mm
    10 %
    N
    3 km/h
    		 overcast
    25 °C
    0.1 mm
    60 %
    NW
    1 km/h
    		 mostly cloudy
    25 °C
    0 mm
    10 %
    NW
    1 km/h
    		 overcast
    24 °C
    0.1 mm
    50 %
    N
    3 km/h
    		 mostly cloudy
    24 °C
    0 mm
    10 %
    N
    3 km/h
    		 partly cloudy
    24 °C
    0 mm
    0 %
    N
    3 km/h

    Forecast

    00:0003:0006:0009:0012:0015:0018:0021:00
    overcast
    25 °C
    0.1 mm
    60 %
    NW
    1 km/h
    		 mostly cloudy
    24 °C
    0.1 mm
    60 %
    N
    3 km/h
    		 clear sky with few clouds
    23 °C
    0 mm
    0 %
    NE
    1 km/h
    		 clear sky with few clouds
    29 °C
    0 mm
    0 %
    E
    5 km/h
    		 partly cloudy
    33 °C
    0 mm
    10 %
    SE
    10 km/h
    		 clear sky with few clouds
    35 °C
    0 mm
    0 %
    SE
    9 km/h
    		 partly cloudy
    32 °C
    0 mm
    0 %
    NW
    1 km/h
    		 mostly cloudy
    28 °C
    0 mm
    30 %
    NE
    7 km/h

    Meteogram

    23232424222423222121212123213335353337353639383837383938
    45
    40
    35
    30
    25
    20
    15
    Wed
    22
    mixed with rain showers    		Thu
    23
    partly cloudy    		Fri
    24
    partly cloudy    		Sat
    25
    mixed with rain showers    		Sun
    26
    clear sky with few clouds    		Mon
    27
    mostly cloudy    		Tue
    28
    partly cloudy    		Wed
    29
    rain, thunderstorms likely    		Thu
    30
    clear sky with few clouds    		Fri
    31
    clear sky    		Sat
    01
    clear sky with few clouds    		Sun
    02
    mixed with rain showers    		Mon
    03
    mixed with rain showers    		Tue
    04
    clear sky with few clouds

    Air quality (AQI)


    Air quality index (marked as AQI) is developed by Environmental Protection Agency. Values over 300 represents hazardous air quality, between 200-300 very unhealthy, 150-200 unhealthy, 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good.

    Sun and Moon

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length