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

    Saku

    World / Japan / 長野県 (Nagano-ken)

    36°14'N / 138°28'E / Altitude 685 m / 15:37 2026/03/17, Asia/Tokyo (UTC+9)

    Open Radar Map

    Weather for the next 24 hours

    16:0017:0018:0019:0020:0021:0022:0023:0000:00 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 tomorrow
    mostly cloudy
    11 °C
    0 mm
    10 %
    NE
    6 km/h
    		 partly cloudy
    10 °C
    0 mm
    10 %
    NE
    9 km/h
    		 clear sky with few clouds
    7 °C
    0 mm
    10 %
    NE
    8 km/h
    		 partly cloudy
    5 °C
    0 mm
    10 %
    NE
    4 km/h
    		 mostly cloudy
    5 °C
    0 mm
    10 %
    N
    3 km/h
    		 partly cloudy
    5 °C
    0 mm
    10 %
    NW
    1 km/h
    		 partly cloudy
    4 °C
    0 mm
    10 %
    N
    3 km/h
    		 mostly cloudy
    4 °C
    0 mm
    0 %
    NE
    1 km/h
    		 mostly cloudy
    3 °C
    0 mm
    0 %
    NE
    1 km/h
    		 mostly cloudy
    3 °C
    0 mm
    0 %
    E
    3 km/h
    		 partly cloudy
    2 °C
    0 mm
    0 %
    E
    3 km/h
    		 partly cloudy
    1 °C
    0 mm
    0 %
    E
    3 km/h
    		 clear sky with few clouds
    1 °C
    0 mm
    0 %
    E
    3 km/h
    		 partly cloudy
    0 °C
    0 mm
    0 %
    E
    3 km/h
    		 overcast
    0 °C
    0 mm
    0 %
    E
    3 km/h
    		 overcast
    1 °C
    0 mm
    0 %
    E
    3 km/h
    		 partly cloudy
    4 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    6 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    8 °C
    0 mm
    0 %
    E
    9 km/h
    		 overcast
    9 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    11 °C
    0 mm
    0 %
    E
    7 km/h
    		 partly cloudy
    12 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    12 °C
    0 mm
    0 %
    SE
    8 km/h
    		 overcast
    12 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    11 °C
    0 mm
    20 %
    NE
    8 km/h

    Forecast

    00:0003:0006:0009:0012:0015:0018:0021:00
    mostly cloudy
    3 °C
    0 mm
    10 %
    NE
    1 km/h
    		 partly cloudy
    1 °C
    0 mm
    0 %
    E
    3 km/h
    		 overcast
    0 °C
    0 mm
    0 %
    E
    3 km/h
    		 overcast
    6 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    11 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast
    12 °C
    0 mm
    0 %
    E
    7 km/h
    		 overcast with light rain
    7 °C
    0.1 mm
    60 %
    NE
    8 km/h
    		 overcast with light rain
    5 °C
    0.3 mm
    70 %
    E
    5 km/h

    Meteogram

    -203-1-3-11013631111121111121416611139141311
    20
    15
    10
    5
    0
    -5
    Tue
    17
    partly cloudy    		Wed
    18
    overcast with light rain    		Thu
    19
    overcast with rain    		Fri
    20
    overcast    		Sat
    21
    clear sky    		Sun
    22
    partly cloudy    		Mon
    23
    partly cloudy    		Tue
    24
    overcast with rain    		Wed
    25
    partly cloudy    		Thu
    26
    high clouds    		Fri
    27
    overcast    		Sat
    28
    partly cloudy    		Sun
    29
    partly cloudy    		Mon
    30
    mostly cloudy

    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