Sarnia (Canada) weather

Forecast days

Light showers.
Sunrise iconSunrise:
Sunset iconSunset:
M UV
No pollution data.
No pollen data.

    7 day forecast for Sarnia

    Today (16 April 2026)
    Time
    20:00
    21:00
    22:00
    23:00
    Weather symbols Light shower night Drizzle Overcast Partly cloudy night
    Chance of precipitation
    50%
    30%
    10%
    <5%
    Temperature
    10°
    Feels like temperature (°C)
    Wind direction and speed
    NNE
    8
    NNE
    9
    N
    9
    N
    8
    Wind gust (mph)
    16
    16
    15
    13
    Visibility
    P
    VP
    VP
    VP
    Humidity
    98%
    99%
    99%
    98%
    UV - - - -
    Friday (17 April 2026)
    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 Partly cloudy night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    14°
    16°
    18°
    20°
    21°
    21°
    20°
    19°
    17°
    15°
    13°
    13°
    Feels like temperature (°C)
    11°
    13°
    16°
    18°
    19°
    19°
    19°
    18°
    17°
    15°
    13°
    11°
    10°
    Wind direction and speed (mph)
    N
    7
    N
    6
    NNW
    5
    NNW
    5
    NNW
    5
    NNW
    4
    NNW
    4
    N
    4
    NNE
    4
    NNE
    3
    NE
    3
    ENE
    3
    E
    3
    SE
    3
    S
    3
    S
    5
    S
    7
    S
    9
    S
    11
    SSE
    11
    SSE
    11
    SSE
    11
    SSE
    12
    SSE
    13
    Wind gust (mph)
    11
    10
    9
    8
    8
    8
    7
    7
    7
    8
    8
    8
    8
    9
    12
    14
    17
    18
    19
    18
    18
    20
    22
    23
    Visibility (description)
    VP
    M
    M
    M
    M
    M
    VP
    VP
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    98%
    97%
    96%
    96%
    97%
    98%
    99%
    99%
    97%
    93%
    88%
    80%
    76%
    68%
    59%
    53%
    47%
    45%
    50%
    55%
    63%
    71%
    76%
    76%
    UV - - - - - - - - 1 2 3 5 6 7 6 5 3 2 1 - - - - -
    Saturday (18 April 2026)
    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 Clear night Clear night Clear night Clear night Partly cloudy night Light shower night Heavy shower night Heavy shower day Heavy shower day Light shower day Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Overcast Cloudy Cloudy Overcast Overcast Cloudy Cloudy
    Chance of precipitation
    <5%
    10%
    10%
    20%
    50%
    70%
    90%
    90%
    90%
    70%
    40%
    40%
    40%
    40%
    20%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    12°
    12°
    13°
    13°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    17°
    18°
    19°
    19°
    18°
    17°
    15°
    13°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    13°
    14°
    15°
    16°
    16°
    15°
    14°
    12°
    11°
    Wind direction and speed (mph)
    SSE
    14
    SSE
    15
    SSE
    15
    SSE
    15
    SSE
    16
    S
    16
    S
    17
    S
    18
    S
    19
    S
    20
    S
    20
    SSW
    20
    SW
    19
    WSW
    17
    W
    16
    W
    15
    WNW
    15
    WNW
    14
    NW
    14
    NW
    13
    NW
    12
    NW
    11
    WNW
    10
    WNW
    12
    Wind gust (mph)
    24
    25
    25
    25
    26
    27
    29
    30
    31
    34
    34
    33
    33
    31
    28
    28
    26
    25
    23
    22
    21
    19
    21
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    M
    M
    G
    G
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    76%
    77%
    77%
    77%
    76%
    79%
    81%
    84%
    84%
    85%
    84%
    82%
    79%
    69%
    65%
    62%
    64%
    64%
    66%
    68%
    67%
    64%
    56%
    UV - - - - - - - - 1 1 1 3 4 4 4 3 2 1 1 - - - - -
    Sunday (19 April 2026)
    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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    10%
    10%
    10%
    20%
    30%
    30%
    20%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    -1°
    -2°
    -3°
    -3°
    -2°
    Wind direction and speed (mph)
    WNW
    12
    WNW
    10
    W
    10
    W
    11
    W
    11
    W
    12
    WNW
    12
    NW
    11
    NW
    10
    NW
    9
    NW
    12
    WNW
    12
    WNW
    13
    WNW
    13
    WNW
    13
    WNW
    14
    WNW
    14
    WNW
    13
    NW
    12
    NNW
    11
    N
    10
    NNE
    10
    NNE
    8
    NNE
    8
    Wind gust (mph)
    21
    18
    19
    20
    21
    20
    20
    20
    19
    22
    23
    24
    25
    26
    25
    26
    25
    24
    22
    20
    18
    16
    15
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    55%
    55%
    53%
    55%
    57%
    58%
    60%
    65%
    65%
    57%
    50%
    43%
    42%
    38%
    36%
    36%
    37%
    40%
    44%
    55%
    60%
    64%
    66%
    67%
    UV - - - - - - - - 1 2 3 5 6 3 2 3 3 1 1 - - - - -
    Monday (20 April 2026)
    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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    -3°
    -3°
    -3°
    -4°
    -4°
    -5°
    -5°
    -6°
    -5°
    -5°
    -4°
    -2°
    -2°
    -1°
    -1°
    -1°
    -2°
    Wind direction and speed (mph)
    NNE
    7
    NNE
    7
    N
    8
    N
    8
    N
    9
    N
    10
    NNW
    11
    NNW
    12
    NNW
    12
    NNW
    13
    NNW
    12
    NNW
    12
    NNW
    12
    N
    12
    N
    11
    N
    10
    N
    9
    N
    8
    NNE
    7
    NE
    6
    E
    6
    ESE
    6
    SE
    7
    SSE
    8
    Wind gust (mph)
    12
    13
    13
    14
    16
    18
    18
    21
    21
    22
    22
    23
    23
    23
    22
    20
    19
    16
    14
    12
    12
    12
    13
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    69%
    72%
    72%
    74%
    71%
    71%
    69%
    67%
    61%
    54%
    50%
    43%
    41%
    40%
    39%
    40%
    40%
    40%
    40%
    41%
    44%
    49%
    54%
    56%
    UV - - - - - - - - 1 2 4 5 7 7 7 5 4 2 1 - - - - -
    Tuesday (21 April 2026)
    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
    23:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    10°
    12°
    13°
    15°
    16°
    17°
    17°
    17°
    16°
    14°
    11°
    Feels like temperature (°C)
    -2°
    -2°
    -2°
    -3°
    -3°
    -3°
    -2°
    -2°
    -1°
    10°
    11°
    12°
    13°
    13°
    14°
    14°
    12°
    Wind direction and speed (mph)
    SSE
    9
    SSE
    10
    S
    10
    S
    10
    S
    11
    S
    12
    S
    12
    S
    13
    S
    13
    S
    15
    S
    17
    SSW
    17
    SSW
    17
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    15
    SW
    14
    SW
    13
    SSW
    11
    S
    10
    SSW
    10
    Wind gust (mph)
    15
    16
    16
    17
    18
    19
    20
    22
    24
    27
    29
    29
    29
    29
    28
    28
    26
    25
    22
    18
    17
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    57%
    62%
    64%
    66%
    66%
    66%
    66%
    67%
    65%
    59%
    53%
    46%
    43%
    43%
    42%
    41%
    41%
    42%
    45%
    53%
    59%
    67%
    UV - - - - - - - - 1 2 4 5 6 7 6 5 3 2 1 - - -
    Wednesday (22 April 2026)
    Time
    02:00
    05:00
    08:00
    11:00
    14:00
    17:00
    20:00
    23:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    13°
    14°
    10°
    Feels like temperature (°C)
    11°
    12°
    Wind direction and speed (mph)
    SW
    9
    NNW
    8
    NNW
    7
    N
    9
    N
    9
    N
    10
    NNE
    7
    ENE
    6
    Wind gust (mph)
    15
    13
    15
    18
    20
    19
    13
    11
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    79%
    78%
    62%
    49%
    43%
    56%
    68%
    UV - - 1 5 6 2 - -

    UK video forecast

    weather map
    Forecast
    Forecast for 9pm (UTC-4) Thursday
    Updated 01:04 (UTC+1) on Fri 17 Apr 2026
    Loading map...

    More from the Met Office