Nagano (Japan) weather

Forecast days

Sunny intervals changing to thunder showers by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
No pollution data.
No pollen data.

    7 day forecast for Nagano

    Today (17 September 2025)
    Time
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Thunder shower day Thunder shower day Sunny intervals Light shower day Light shower day Light shower day Light shower day Light rain Light rain Light rain Light rain Light rain Drizzle Drizzle Drizzle
    Chance of precipitation
    40%
    80%
    60%
    50%
    60%
    70%
    60%
    80%
    90%
    70%
    60%
    50%
    50%
    50%
    50%
    40%
    Temperature
    26°
    27°
    27°
    26°
    25°
    24°
    24°
    23°
    23°
    22°
    22°
    22°
    21°
    21°
    21°
    20°
    Feels like temperature (°C)
    29°
    30°
    30°
    30°
    28°
    26°
    26°
    25°
    25°
    24°
    24°
    24°
    23°
    23°
    22°
    22°
    Wind direction and speed
    SW
    1
    SW
    1
    NW
    1
    NNW
    2
    N
    5
    N
    5
    N
    5
    N
    4
    N
    4
    N
    4
    N
    4
    N
    4
    N
    4
    N
    4
    N
    4
    N
    4
    Wind gust (mph)
    6
    6
    6
    9
    14
    15
    14
    13
    12
    12
    12
    11
    11
    11
    11
    11
    Visibility
    VG
    VG
    VG
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    88%
    79%
    79%
    82%
    86%
    87%
    89%
    88%
    91%
    93%
    95%
    96%
    96%
    96%
    96%
    96%
    UV 3 5 3 3 4 3 2 1 1 - - - - - - -
    Friday (18 September 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Drizzle Overcast Overcast Overcast Overcast Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Overcast Cloudy Overcast Cloudy Overcast Cloudy
    Chance of precipitation
    40%
    20%
    20%
    <5%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    10%
    10%
    10%
    20%
    30%
    30%
    20%
    Temperature (°C)
    20°
    19°
    19°
    19°
    19°
    19°
    18°
    19°
    19°
    20°
    21°
    22°
    23°
    24°
    25°
    25°
    24°
    23°
    22°
    21°
    21°
    20°
    20°
    20°
    Feels like temperature (°C)
    21°
    21°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    21°
    22°
    23°
    24°
    25°
    25°
    25°
    25°
    24°
    23°
    22°
    22°
    21°
    21°
    21°
    Wind direction and speed (mph)
    N
    4
    N
    3
    N
    4
    N
    3
    N
    3
    NNE
    3
    NNE
    3
    NNE
    3
    NNE
    3
    NE
    3
    NE
    3
    NE
    3
    NE
    3
    ENE
    3
    ENE
    4
    ENE
    4
    E
    4
    E
    4
    ESE
    4
    ESE
    4
    SE
    4
    SE
    4
    SE
    4
    SSE
    4
    Wind gust (mph)
    11
    10
    10
    9
    9
    9
    9
    10
    11
    12
    12
    12
    11
    12
    13
    14
    13
    11
    11
    11
    11
    10
    10
    11
    Visibility (description)
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    VG
    VG
    VG
    G
    Humidity
    96%
    95%
    96%
    95%
    95%
    95%
    95%
    92%
    86%
    77%
    72%
    66%
    63%
    58%
    57%
    57%
    59%
    69%
    76%
    77%
    83%
    85%
    86%
    88%
    UV - - - - - - 1 1 3 5 6 6 7 6 4 2 1 - - - - - - -
    Saturday (19 September 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Cloudy Cloudy Cloudy Overcast Overcast Drizzle Light rain Light rain Light rain Light rain Light rain Light rain Drizzle Overcast Drizzle Drizzle Overcast Overcast Drizzle Drizzle Drizzle Drizzle Drizzle Overcast
    Chance of precipitation
    20%
    20%
    30%
    30%
    40%
    40%
    60%
    50%
    60%
    50%
    50%
    50%
    40%
    40%
    40%
    30%
    30%
    30%
    40%
    40%
    40%
    40%
    30%
    40%
    Temperature (°C)
    19°
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    20°
    20°
    20°
    20°
    21°
    21°
    21°
    20°
    20°
    20°
    20°
    20°
    20°
    19°
    Feels like temperature (°C)
    20°
    20°
    20°
    19°
    19°
    19°
    19°
    20°
    20°
    20°
    21°
    22°
    22°
    22°
    22°
    22°
    22°
    22°
    21°
    21°
    21°
    21°
    21°
    21°
    Wind direction and speed (mph)
    SSE
    4
    SSE
    4
    SSE
    3
    SSE
    3
    SSE
    3
    SSE
    3
    SSE
    3
    SSE
    3
    SSE
    3
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    4
    SSE
    3
    SSE
    3
    SSE
    3
    Wind gust (mph)
    11
    11
    10
    10
    10
    10
    10
    10
    11
    12
    12
    12
    12
    13
    12
    11
    11
    10
    10
    10
    10
    9
    8
    7
    Visibility (description)
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    Humidity
    91%
    91%
    92%
    93%
    94%
    95%
    96%
    95%
    95%
    93%
    91%
    88%
    89%
    87%
    87%
    89%
    89%
    91%
    94%
    96%
    96%
    97%
    98%
    98%
    UV - - - - - - - 1 2 2 4 3 3 4 2 1 1 - - - - - - -
    Sunday (20 September 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Drizzle Overcast Overcast Overcast Drizzle Drizzle Drizzle Light rain Light rain Light rain Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Overcast Overcast Overcast Overcast
    Chance of precipitation
    40%
    30%
    30%
    30%
    40%
    40%
    40%
    60%
    70%
    70%
    70%
    70%
    80%
    80%
    70%
    60%
    30%
    30%
    20%
    10%
    20%
    20%
    30%
    20%
    Temperature (°C)
    19°
    19°
    19°
    19°
    19°
    19°
    19°
    20°
    20°
    21°
    21°
    22°
    21°
    22°
    22°
    21°
    21°
    20°
    19°
    19°
    19°
    18°
    18°
    18°
    Feels like temperature (°C)
    21°
    21°
    21°
    21°
    21°
    21°
    21°
    21°
    22°
    23°
    23°
    23°
    23°
    23°
    23°
    22°
    21°
    21°
    20°
    20°
    20°
    19°
    19°
    19°
    Wind direction and speed (mph)
    S
    3
    WSW
    3
    W
    2
    NW
    3
    NNW
    3
    NNW
    3
    NW
    2
    NW
    3
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    4
    NNW
    5
    N
    5
    N
    6
    N
    5
    N
    5
    N
    4
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    3
    Wind gust (mph)
    7
    7
    6
    6
    6
    7
    7
    8
    9
    10
    11
    13
    15
    16
    16
    16
    15
    13
    10
    9
    8
    8
    7
    7
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    98%
    98%
    98%
    99%
    99%
    99%
    99%
    97%
    96%
    93%
    91%
    92%
    89%
    82%
    81%
    81%
    85%
    88%
    92%
    93%
    95%
    95%
    96%
    96%
    UV - - - - - - 1 1 2 4 3 4 7 5 4 2 1 - - - - - - -
    Monday (21 September 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Cloudy Cloudy Partly cloudy night Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    19°
    22°
    22°
    19°
    18°
    Feels like temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    20°
    22°
    22°
    20°
    19°
    Wind direction and speed (mph)
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    3
    NNW
    2
    NNW
    2
    NNW
    2
    N
    2
    N
    2
    NNE
    2
    NNE
    3
    NNE
    5
    NNE
    4
    NNE
    3
    Wind gust (mph)
    7
    6
    6
    6
    6
    5
    6
    6
    9
    9
    14
    17
    11
    7
    Visibility (description)
    G
    G
    M
    G
    G
    M
    G
    G
    G
    G
    VG
    VG
    VG
    G
    Humidity
    96%
    97%
    97%
    97%
    97%
    97%
    97%
    95%
    89%
    80%
    59%
    60%
    77%
    88%
    UV - - - - - - 1 1 3 3 7 2 - -
    Tuesday (22 September 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Partly cloudy night Sunny intervals Cloudy Sunny intervals Sunny intervals Cloudy Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    20%
    30%
    20%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    16°
    19°
    22°
    22°
    19°
    18°
    Feels like temperature (°C)
    18°
    18°
    17°
    19°
    22°
    22°
    20°
    19°
    Wind direction and speed (mph)
    E
    2
    SE
    2
    SSE
    3
    SE
    3
    ENE
    3
    NE
    4
    ENE
    4
    E
    3
    Wind gust (mph)
    7
    7
    10
    11
    12
    13
    10
    8
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    93%
    94%
    95%
    79%
    65%
    66%
    83%
    89%
    UV - - 1 5 5 2 - -
    Wednesday (23 September 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Cloudy Cloudy Sunny intervals Cloudy Sunny intervals Cloudy Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    10%
    20%
    10%
    20%
    Temperature (°C)
    17°
    16°
    16°
    19°
    22°
    23°
    20°
    18°
    Feels like temperature (°C)
    18°
    17°
    17°
    19°
    22°
    23°
    20°
    19°
    Wind direction and speed (mph)
    SE
    3
    SSE
    3
    SSE
    3
    SSE
    4
    SSE
    4
    SE
    5
    SE
    5
    SSE
    4
    Wind gust (mph)
    8
    9
    12
    16
    16
    14
    12
    12
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    Humidity
    93%
    96%
    96%
    83%
    65%
    65%
    77%
    86%
    UV - - 1 5 7 2 - -

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    Forecast
    Forecast for 08:00 (UTC+9), Thu
    Updated 19:18 (UTC+1) on Wed 17 Sep 2025
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