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Forecast

Bookham (34.7894°S, 148.6378°E, 448m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Showers 15°
    Chance of rain: 80%
    Likely amount: 1-5mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:22am EST 6:48am EST 5:31pm EST 5:57pm EST
    NOW
    9.8° Feels Like: 8.2°
    Relative Humidity: 79%
    Dew: 6.4°
    Wind: NW 4km/h
    Gust: 9km/h
    Rainfall since 9am: 0.0mm
    Pressure: 1016.7hPa
  3. Today Weather

    Bookham
    Now
    12.2°c
    Feels Like:
    8.9°
    Wind:
    N 17km/h
    Gusts:
    20km/h
    Humidity:
    85%
    Showers
     
    Min
    15°
    Max
    Today in Bookham
    Cloudy. The chance of fog early this morning. High chance of showers in the west, medium chance elsewhere. The chance of a thunderstorm in the west this afternoon and evening. Light winds becoming NW 15 to 25 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures between 12 and 15.
    Tomorrow
    Possible shower
    Min
    16°
    Max
    Partly cloudy. Medium chance of showers in the northwest, slight chance elsewhere. Areas of morning fog. Winds NW 15 to 20 km/h tending W 15 to 25 km/h in the morning then becoming light in the late afternoon. Overnight temperatures falling to around 5 with daytime temperatures reaching between 14 and 17.
  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Cloudy. The chance of fog early this morning. High chance of showers in the west, medium chance elsewhere. The chance of a thunderstorm in the west this afternoon and evening. Light winds becoming NW 15 to 25 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures between 12 and 15.

    Forecast for Bookham (34.7894°S, 148.6378°E, 448m AMSL)
      Wed Thu Fri Sat Sun Mon Tue
    Summary Showers Possible shower Showers Possible shower Possible shower Possible shower Showers
    Minimum
    Maximum 15° 16° 15° 14° 13° 12° 12°
    Chance of rain 80% 40% 70% 40% 50% 50% 90%
    Likely amount 1-5mm 1-5mm 5-10mm < 1mm < 1mm < 1mm 1-5mm
    UV index Moderate Moderate Moderate Moderate Moderate - -
    Frost risk Moderate Nil Slight Nil Slight Slight Moderate
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 8
    (km/h)
    13
    (km/h)
    9
    (km/h)
    13
    (km/h)
    7
    (km/h)
    9
    (km/h)
    12
    (km/h)
    19
    (km/h)
    17
    (km/h)
    20
    (km/h)
    14
    (km/h)
    19
    (km/h)
    15
    (km/h)
    16
    (km/h)
    Wind direction N NNW NW WNW E N WNW W WNW W WNW WNW N NNW
    Relative humidity 84% 79% 93% 70% 88% 85% 94% 78% 93% 80% 88% 74% 80% 85%
    Dew point 8°C 11°C 9°C 11°C 8°C 12°C 9°C 10°C 7°C 9°C 5°C 8°C 6°C 10°C
  9. 28 Day Rainfall forecast

    Bookham Rain Forecast


    Bookham 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    12
    MEDIUM
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    MEDIUM
    17
    LOW
    18
    HIGH
    19
    HIGH
    20
    21
    LOW
    22
    HIGH
    23
    MEDIUM
    24
    25
    LOW
    26
    LOW
    27
    28
    LOW
    29
    MEDIUM
    30
    LOW
    31
    Sep 1
    MEDIUM
    2
    LOW
    3
    4
    MEDIUM
    5
    HIGH
    6
    MEDIUM
    7
    LOW
    8
    LOW
    9
    MEDIUM
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug11

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, the Indian Ocean, Western Australia, eastern Australia, the south Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 20 August to 24 August, 29 August to 2 September, and 10 September to 14 September. Rain events originating in the tropics and moving south are possible about 24 August to 28 August, and 7 September to 11 September. Over Western Australia the strongest cold fronts should occur about 20 August to 24 August, 29 August to 2 September, and 11 September to 15 September.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  10. 12 Month Rainfall Forecast

    Bookham Rain Forecast


    Bookham 12-month Rainfall Forecast
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    2020
    2021
    9
    6
    8
    8
    8
    7
    8
    6
    4
    5
    8
    6
    10
    5
    0
    1
    2 - 3
    4 - 7
    8 - 9
    10
    Well below normal
    Below normal
    Near normal
    Above normal
    Well above normal

    Issue Notes - Issued Aug 5

    ENSO status: La Nina Watch IOD status: Neutral SAM status: Positive Sea surface temperatures (SSTs) across the equatorial central Pacific show a slight decrease in the intensity of cooling compared to June, with the Nino3.4 index registering a value of 0.0 in July. The Southern Oscillation Index (SOI) recorded a value of 4.2 in the same month, a swing into positive values compared to June. The current outlook suggests that cooler than average SSTs will continue across the equatorial pacific through the end of winter and potentially reach La Nina thresholds by mid-spring. All eight international models continue to suggest a cooler side of neutral for the region throughout the remainder of the Austral winter and through spring, with four of these indicating La Nina by Spring. The current International Research Institute for Climate and Society (IRI) outlook suggests a 54:41 chance for La Nina:Neutral conditions by the end of the Austral spring. To the west of Australia, the Indian Ocean Dipole (IOD) remains neutral. Two of the six international models indicate a negative IOD becoming established during the Austral spring, with the remaining four indicating a neutral phase. Of the four neutral models, including the BOM, three are trending slightly negative within the neutral zone by early spring, with only the Canadian model trending positive. In terms of precipitation over Australia, the current short-term outlook favours above average rainfall across most of Australia over the next fortnight, with the exception of western TAS, far southern VIC, and northern QLD and the NT. These expected wetter than average conditions will likely be due to the passage of moisture troughs inland and fronts, in part driven by the positive SAM. Models are then indicating a continued trend to above average rainfall for inland SA, all but the far north of the NT, western, central and southern QLD, northern and western NSW and parts of southern WA. Parts of WA’s Pilbara and Kimberley however are showing signs of below average rainfall into early spring.

  11. Long range rainfall forecast

    Bookham Rain Forecast


    Bookham 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    12
    MEDIUM
    13
    LOW
    14
    MEDIUM
    15
    MEDIUM
    16
    MEDIUM
    17
    LOW
    18
    HIGH
    19
    HIGH
    20
    21
    LOW
    22
    HIGH
    23
    MEDIUM
    24
    25
    LOW
    26
    LOW
    27
    28
    LOW
    29
    MEDIUM
    30
    LOW
    31
    Sep 1
    MEDIUM
    2
    LOW
    3
    4
    MEDIUM
    5
    HIGH
    6
    MEDIUM
    7
    LOW
    8
    LOW
    9
    MEDIUM
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Aug11

    Issue Notes

    The hemispheric long wave pattern has remained stable in recent weeks. There are six main troughs. Currently the most significant troughs are near the longitudes of South Africa, the southwest Indian Ocean, the Indian Ocean, Western Australia, eastern Australia, the south Pacific, and South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 20 August to 24 August, 29 August to 2 September, and 10 September to 14 September. Rain events originating in the tropics and moving south are possible about 24 August to 28 August, and 7 September to 11 September. Over Western Australia the strongest cold fronts should occur about 20 August to 24 August, 29 August to 2 September, and 11 September to 15 September.

    Forecast Explanation

    This forecast is produced by a multi-model ensemble consisting of dynamical atmospheric models, which are forced by the latest observed atmosphere, ocean, land and ice conditions. The models are designed to simulate features of the real atmosphere, including the daily movement of long and short wave patterns in the Southern Hemisphere.

    The future probability of rain in each district is estimated using output from the multi-model ensemble, combined with historical information about the difference between the model forecasts and observed rainfall.

    In this deterministic framework the skill of the forecast tends to decrease with time, however the forecasts are updated daily to provide the latest estimates of rainfall probability out to 28 days.

  12. Popup - Daily historical

    Bookham Observations History

    We're sorry, but there are no daily observations available for Bookham

  13. Past 5 Days

    Bookham Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Friday
    Aug 07
    2.0 °C -
    1.6 mm
    Saturday
    Aug 08
    - -
    -
    Sunday
    Aug 09
    - 12.0 °C
    -
    Monday
    Aug 10
    6.5 °C 14.0 °C
    3.8 mm
    Tuesday
    Aug 11
    1.0 °C -
    0.0 mm
    Legend
  14. Almanac

    Almanac


    Bookham minimum temp history (34.7894°S, 148.6378°E, 448m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 14.0° 01/08/2020 Coldest this month -0.5° 06/08/2020
    Hottest on record 24.5 30/08/1982 Coldest on record -3.7 06/08/1974
    Hottest this year 45.6° 31/01/2020 Coldest this year -1.5° 08/07/2020
    Long term average 13.7° Long term average 4.1°
    Average this month 12.0° Average this month 2.2°
    Hottest August On Record Avg. max. temp. 17.1° 1982 Coldest August on record Avg. min. temp. 2.0° 1994
    Bookham rainfall history (34.7894°S, 148.6378°E, 448m AMSL)
    RAINFALL
    Wettest This Month 3.8mm 10/08/2020 Total This Month 5.4mm
    2.0 days
    Long Term Average 98.0mm 13.6 days Wettest August on record 280.3mm 1939
    Driest on record 1.3mm 1914
  15. Popup - Radar

    Weather Radar for NSW/ACT

  16. Year to Date

    Bookham Year To Date

    Average Rainfall To Aug 628.0mm 73.8 day(s)
    Total For 2020 474.5mm 55.0 day(s)
    Total To This Day 2019 413.1mm 61.0 day(s)
    Wettest Day 50.8mm Mar 5
    Lowest Temperature -1.5°C Jul 8
    Highest Temperature 45.6°C Jan31
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Bookham Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 30.2 29.5 26.5 21.5 16.6 12.9 11.9 13.7 16.9 20.7 24.2 27.8 21.0
    Mean Min (°C) 16.3 16.5 13.9 9.9 6.9 4.5 3.3 4.1 6.1 8.7 11.6 14.1 9.6
    Mean Rain (mm) 62.8 57.5 61.9 65.3 81.4 97.7 103.4 98.0 84.3 84.1 72.6 63.7 932.2
    Mean Rain Days 6.4 5.8 6.2 7.0 9.4 12.0 13.4 13.6 11.1 10.3 8.5 7.4 108.9