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  • New High-Resolution NAM Model Now Available for the U.S. and Hawaii NAM

    Location

    Lat.: 35°38'N / Lon.: 139°31'E / Altitude: 31 m
    Timezone: Asia/Tokyo (UTC+9) / Current time: 17:08 2025/03/26
    23 °C
    Wind 0 km/h
     
    Humidity 23 %

    Weather report from station Chofu Airport, Distance: 3 km (16:00 2025/03/26)

    Weather for the next 24 hours

    18:0019:0020:0021:0022:0023:0000:00 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 tomorrow17:00 tomorrow18:00 tomorrow
    clear sky with few clouds
    21 °C
    0 mm
    0 %
    N
    9 km/h
    high clouds
    19 °C
    0 mm
    0 %
    N
    5 km/h
    high clouds
    18 °C
    0 mm
    0 %
    E
    3 km/h
    clear sky
    17 °C
    0 mm
    0 %
    E
    5 km/h
    clear sky
    16 °C
    0 mm
    0 %
    SE
    6 km/h
    clear sky
    15 °C
    0 mm
    0 %
    SE
    6 km/h
    high clouds
    14 °C
    0 mm
    0 %
    SE
    4 km/h
    high clouds
    13 °C
    0 mm
    0 %
    SE
    4 km/h
    high clouds
    13 °C
    0 mm
    0 %
    S
    3 km/h
    high clouds
    13 °C
    0 mm
    0 %
    NE
    1 km/h
    clear sky with few clouds
    13 °C
    0 mm
    0 %
    N
    3 km/h
    clear sky with few clouds
    11 °C
    0 mm
    0 %
    N
    3 km/h
    high clouds
    11 °C
    0 mm
    0 %
    NW
    6 km/h
    mostly cloudy
    12 °C
    0 mm
    0 %
    NW
    6 km/h
    overcast
    13 °C
    0 mm
    0 %
    N
    7 km/h
    mostly cloudy
    15 °C
    0 mm
    0 %
    NE
    6 km/h
    partly cloudy
    17 °C
    0 mm
    0 %
    E
    5 km/h
    high clouds
    19 °C
    0 mm
    0 %
    S
    9 km/h
    partly cloudy
    21 °C
    0 mm
    0 %
    S
    13 km/h
    high clouds
    22 °C
    0 mm
    0 %
    S
    17 km/h
    high clouds
    22 °C
    0 mm
    0 %
    S
    19 km/h
    high clouds
    23 °C
    0 mm
    0 %
    S
    23 km/h
    Gust:
    50 km/h
    high clouds
    23 °C
    0 mm
    0 %
    S
    27 km/h
    Gust:
    58 km/h
    high clouds
    22 °C
    0 mm
    0 %
    S
    30 km/h
    Gust:
    61 km/h
    high clouds
    21 °C
    0 mm
    0 %
    S
    24 km/h
    Gust:
    61 km/h

    Forecast

    00:0003:0006:0009:0012:0015:0018:0021:00
    high clouds
    14 °C
    0 mm
    0 %
    SE
    4 km/h
    high clouds
    13 °C
    0 mm
    0 %
    NE
    1 km/h
    high clouds
    11 °C
    0 mm
    0 %
    NW
    6 km/h
    mostly cloudy
    15 °C
    0 mm
    0 %
    NE
    6 km/h
    partly cloudy
    21 °C
    0 mm
    0 %
    S
    13 km/h
    high clouds
    23 °C
    0 mm
    0 %
    S
    23 km/h
    Gust:
    50 km/h
    high clouds
    21 °C
    0 mm
    0 %
    S
    24 km/h
    Gust:
    61 km/h
    overcast
    19 °C
    0 mm
    0 %
    S
    20 km/h
    Gust:
    43 km/h

    Meteogram

    141117865578121214131328232615149715161720192020
    30
    25
    20
    15
    10
    5
    0
    We
    26
    clear sky
    Th
    27
    partly cloudy
    Fr
    28
    high clouds
    Sa
    29
    overcast with light rain
    Su
    30
    mostly cloudy
    Mo
    31
    overcast
    Tu
    01
    overcast with rain
    We
    02
    mostly cloudy
    Th
    03
    mostly cloudy
    Fr
    04
    mixed with rain showers
    Sa
    05
    partly cloudy
    Su
    06
    overcast
    Mo
    07
    overcast
    Tu
    08
    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

    rise05:38set17:58
    Heading: west Time: 2025/03/26 17:00
    Phase: day Altitude: +11 °


    rise03:43set14:14
    Heading: west Time: 2025/03/26 17:00
    Illumination: 12 % Altitude: −29 °


    Date rise set rise Illumination
    2025/03/2603:4314:1418 % to 10 %
    2025/03/2704:1515:2610 % to 4 %
    2025/03/2804:4516:384 % to 1 %
    2025/03/2905:1417:511 % to 0 %
    2025/03/3005:4319:060 % to 2 %


    Phase 2025/03/26 Time Length
    night00:00 to 04:124 hr. 13 min.
    astronomical twilight04:12 to 04:4330 min.
    nautic twilight04:43 to 05:1330 min.
    civil twilight05:13 to 05:3826 min.
    day05:38 to 17:5812 hr. 20 min.
    civil twilight17:58 to 18:2426 min.
    nautic twilight18:24 to 18:5430 min.
    astronomical twilight18:54 to 19:2430 min.
    night19:24 to 00:004 hr. 35 min.
    Temperature
    Feels like temperature
    Precipitation
    Radar
    Satellite
    Clouds
    Wind speed
    Wind gusts
    Air pressure
    Thunderstorms
    Humidity
    Sea
    Snow cover
    Air quality
    PlayPreviousNextChange dateToday, 2025/03/2600:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
    MoTuWeThFrSaSu
    24252627282930
    31March010203040506
    07080910111213

    For this output data, temperature is shown for 2 m above ground. The calculations take into account the terrain (elevation), but with lower resolution than in reality. Therefore the models cannot differentiate, for instance, the temperature on a mountain peak or on a city square scorched by the sun. The general rule is that the centres of large cities are 1 °C to 3 °C warmer than the surrounding area or natural landscapes. Significant temperature differences over a small area are primarily caused in the winter by an inversion. A short yet noticeable cooling can also occur after a local summer storm.

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