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    • Wind Animation
    ECMWF, GFS, ICON, GEM
    New: Official Warnings from National Meteorological Institutes Warning

    União

    World / Brazil / Piauí

    4°35'S / 42°51'W / Altitude 66 m / 20:33 2026/04/21, America/Fortaleza (UTC-3)

    fog 24 °C
    Wind speed 13 km/h
     
    Humidity 94 %
    Visibility 8 km
    Clouds 80 %
    Cloud base 304 m

    Calculated from nearby stations (20:00 2026/04/21)

    Open Radar Map

    2Warnings
    severe other
    moderate other

    Weather for the next 24 hours

    21:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow12:00 tomorrow13:00 tomorrow14:00 tomorrow15:00 tomorrow16:00 tomorrow17:00 tomorrow18:00 tomorrow19:00 tomorrow20:00 tomorrow21:00 tomorrow
    mostly cloudy
    25 °C
    0 mm
    30 %
    NW
    1 km/h
    		 mostly cloudy
    25 °C
    0 mm
    30 %
    NW
    1 km/h
    		 mostly cloudy
    25 °C
    0 mm
    30 %
    N
    3 km/h
    		 rain, thunderstorms likely
    24 °C
    1 mm
    70 %
    E
    3 km/h
    		 rain, thunderstorms likely
    24 °C
    3 mm
    70 %
    E
    3 km/h
    		 mixed with rain showers
    24 °C
    0.8 mm
    70 %
    E
    3 km/h
    		 overcast with rain
    24 °C
    0.4 mm
    60 %
    NE
    1 km/h
    		 overcast with rain
    24 °C
    0.8 mm
    60 %
    N
    3 km/h
    		 overcast with rain
    24 °C
    0.5 mm
    60 %
    E
    3 km/h
    		 overcast with light rain
    24 °C
    0 mm
    10 %
    E
    3 km/h
    		 fog
    24 °C
    0 mm
    10 %
    E
    3 km/h
    		 overcast
    25 °C
    0 mm
    10 %
    E
    5 km/h
    		 overcast
    26 °C
    0 mm
    10 %
    E
    5 km/h
    		 overcast
    27 °C
    0 mm
    30 %
    E
    7 km/h
    		 overcast
    28 °C
    0 mm
    30 %
    E
    7 km/h
    		 overcast
    29 °C
    0 mm
    50 %
    SE
    6 km/h
    		 overcast
    30 °C
    0 mm
    50 %
    SE
    7 km/h
    		 mostly cloudy
    30 °C
    0 mm
    50 %
    SE
    7 km/h
    		 mostly cloudy
    30 °C
    0 mm
    50 %
    S
    5 km/h
    		 clear sky with few clouds
    30 °C
    0 mm
    50 %
    SE
    6 km/h
    		 mixed with rain showers
    29 °C
    0.3 mm
    80 %
    SE
    4 km/h
    		 high clouds
    28 °C
    0 mm
    40 %
    E
    3 km/h
    		 high clouds
    27 °C
    0 mm
    30 %
    NE
    1 km/h
    		 overcast
    27 °C
    0.1 mm
    60 %
    E
    3 km/h
    		 overcast
    26 °C
    0.1 mm
    60 %
    E
    3 km/h

    Forecast

    00:0003:0006:0009:0012:0015:0018:0021:00
    rain, thunderstorms likely
    24 °C
    1 mm
    70 %
    E
    3 km/h
    		 rain, thunderstorms likely
    24 °C
    4.2 mm
    70 %
    NE
    1 km/h
    		 overcast with rain
    24 °C
    1.3 mm
    60 %
    E
    3 km/h
    		 overcast
    26 °C
    0 mm
    10 %
    E
    5 km/h
    		 overcast
    29 °C
    0 mm
    50 %
    SE
    6 km/h
    		 mostly cloudy
    30 °C
    0 mm
    50 %
    S
    5 km/h
    		 mixed with rain showers
    28 °C
    0.3 mm
    80 %
    E
    3 km/h
    		 overcast
    26 °C
    0.2 mm
    60 %
    E
    3 km/h

    Meteogram

    24242323242424242222212222222930313029293031293031303030
    32
    30
    28
    26
    24
    22
    20
    Tue
    21
    rain, thunderstorms likely    		Wed
    22
    mixed with rain showers    		Thu
    23
    partly cloudy    		Fri
    24
    mixed with rain showers    		Sat
    25
    rain, thunderstorms likely    		Sun
    26
    mixed with rain showers    		Mon
    27
    overcast    		Tue
    28
    mostly cloudy    		Wed
    29
    rain, thunderstorms likely    		Thu
    30
    rain, thunderstorms likely    		Fri
    01
    mixed with rain showers    		Sat
    02
    rain, thunderstorms likely    		Sun
    03
    rain, thunderstorms likely    		Mon
    04
    rain, thunderstorms likely

    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