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Forecast

Glen Forrest (31.9093°S, 116.1002°E, 165m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Sunny 14°
    Chance of rain: 5%
    Likely amount: < 1mm
    First
    light
    Sunrise Sunset Last light
    Sunrise Sunset
    6:49am WST 7:16am WST 5:27pm WST 5:54pm WST
    NOW
    11.5° Feels Like: 8.3°
    Relative Humidity: 65%
    Dew: 5.3°
    Wind: ENE 11km/h
    Gust: 15km/h
    Rainfall since 9am:  
    Pressure:  
  3. Today Weather

    Glen Forrest
    Now
    12.8°c
    Feels Like:
    8.8°
    Wind:
    E 15km/h
    Gusts:
    15km/h
    Humidity:
    60%
    Sunny
     
    Min
    14°
    Max
    Today in Glen Forrest
    Clear. Light winds.
    Tomorrow
    Sunny
    Min
    16°
    Max
    Sunny. Winds E 15 to 20 km/h turning NE 15 to 25 km/h during the day.
  4. Radar

  5. Popup Radar

  6. Warnings

    There are no current warnings for Glen Forrest

  7. Next 48 Hours


    Next 48 Hours


  8. 7 day forecast

    Today: Clear. Light winds.

    Forecast for Glen Forrest (31.9093°S, 116.1002°E, 165m AMSL)
      Fri Sat Sun Mon Tue Wed Thu
    Summary Sunny Sunny Sunny Late shower Showers Mostly cloudy Late shower
    Minimum 11° 12° 11° 11°
    Maximum 14° 16° 19° 21° 14° 17° 19°
    Chance of rain 5% 5% 30% 80% 80% 20% 80%
    Likely amount < 1mm < 1mm < 1mm 10-20mm 1-5mm < 1mm 10-20mm
    UV index - - - - - - -
    Frost risk Nil Nil Nil Nil Nil Nil Nil
      9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm
    Wind speed 22
    (km/h)
    19
    (km/h)
    23
    (km/h)
    16
    (km/h)
    23
    (km/h)
    19
    (km/h)
    18
    (km/h)
    22
    (km/h)
    25
    (km/h)
    23
    (km/h)
    16
    (km/h)
    16
    (km/h)
    20
    (km/h)
    23
    (km/h)
    Wind direction ESE E ENE ENE NE NNE NNE N W W NNE NNW NE NNW
    Relative humidity 85% 54% 78% 52% 59% 42% 72% 60% 85% 72% 84% 68% 76% 69%
    Dew point 5°C 5°C 5°C 6°C 3°C 5°C 9°C 12°C 10°C 9°C 10°C 10°C 9°C 12°C
  9. 28 Day Rainfall forecast

    Glen Forrest Rain Forecast


    Glen Forrest 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    10
    11
    12
    LOW
    13
    HIGH
    14
    HIGH
    15
    MEDIUM
    16
    HIGH
    17
    MEDIUM
    18
    LOW
    19
    LOW
    20
    21
    LOW
    22
    23
    LOW
    24
    MEDIUM
    25
    26
    LOW
    27
    MEDIUM
    28
    HIGH
    29
    MEDIUM
    30
    MEDIUM
    31
    LOW
    Aug 1
    LOW
    2
    LOW
    3
    MEDIUM
    4
    MEDIUM
    5
    MEDIUM
    6
    LOW
    7
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul10

    Issue Notes

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

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 17 July to 21 July, 29 July to 2 August, and 5 August to 9 August. Rain events originating in the tropics and moving south are possible about 31 July to 4 August. Over Western Australia the strongest cold fronts should occur about 17 July to 21 July, 30 July to 3 August, and 6 August to 10 August.

    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

    Glen Forrest Rain Forecast


    Glen Forrest 12-month Rainfall Forecast
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    2020
    2021
    2
    6
    6
    5
    7
    6
    8
    7
    5
    4
    3
    1
    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 Jun 15

    ENSO status: Neutral IOD status: Neutral SAM status: Trending positive Sea surface temperatures (SSTs) across the equatorial central Pacific exhibited significant cooling over the past month, with the Nino3.4 index registering a value of -0.1in May. On the other hand, the Southern Oscillation Index (SOI) recorded a value of 2.8 during the same month. The current outlook suggests cooler than average SSTs will take hold across the equatorial Pacific Ocean during winter, potentially reaching 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. The current International Research Institute for Climate and Society (IRI) outlook suggests a 45:40 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, normal for this time of the year. However, out of season Tropical CycloneMangga brought some significant cooling to the sea surface temperatures to the northwest of Australia late in May. This disrupted the warming trend in the region that would have led to a negative IOD by mid-winter. Nonetheless, all but one of the six main international models (BoMs outlook), continue to hint at a possible negative IOD establishing later in winter/first half of spring. In terms of precipitation across Australia, the current short-term outlook now favours below average rainfall for most of the country for the remainder of June and early July. This outlook is mainly driven by cooler SSTs across northwestern Australia, reducing the amount of available moisture in the atmosphere. As discussed earlier, tropical cyclone Mangga was a key player in the cooling of the SSTs off the northwest coast. Most models, however, are indicating a positive IOD is still on the cards later in winter and through spring, bringing a wetter outlook for most of the southern half of the country from mid-to-lateJuly. Across parts of southern Vic, NSW and Qld (east of the Great Dividing Range), southwestern WA and Tasmania, the outlook continues to favour average-to-slightly below average rainfall over the coming months as these regions transition to their ‘drier’ part of the year (eastern seaboard) or tend to be less influenced by the IOD (SW WA and Tas) but more on the phases of the Southern Annular Mode (SAM).

  11. Long range rainfall forecast

    Glen Forrest Rain Forecast


    Glen Forrest 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    10
    11
    12
    LOW
    13
    HIGH
    14
    HIGH
    15
    MEDIUM
    16
    HIGH
    17
    MEDIUM
    18
    LOW
    19
    LOW
    20
    21
    LOW
    22
    23
    LOW
    24
    MEDIUM
    25
    26
    LOW
    27
    MEDIUM
    28
    HIGH
    29
    MEDIUM
    30
    MEDIUM
    31
    LOW
    Aug 1
    LOW
    2
    LOW
    3
    MEDIUM
    4
    MEDIUM
    5
    MEDIUM
    6
    LOW
    7
    LOW
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Jul10

    Issue Notes

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

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 17 July to 21 July, 29 July to 2 August, and 5 August to 9 August. Rain events originating in the tropics and moving south are possible about 31 July to 4 August. Over Western Australia the strongest cold fronts should occur about 17 July to 21 July, 30 July to 3 August, and 6 August to 10 August.

    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

  13. Past 5 Days

    Glen Forrest Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Monday
    Jul 06
    12.5 °C 19.7 °C
    2.8 mm
    Tuesday
    Jul 07
    10.5 °C 18.1 °C
    3.8 mm
    Wednesday
    Jul 08
    9.8 °C 17.4 °C
    4.0 mm
    Thursday
    Jul 09
    4.0 °C 17.5 °C
    0.2 mm
    Friday
    Jul 10
    5.3 °C 15.9 °C
    0.2 mm
    Legend
  14. Almanac

    Almanac


    Glen Forrest minimum temp history (31.9093°S, 116.1002°E, 165m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 23.3° 05/07/2020 Coldest this month 3.6° 02/07/2020
    Hottest on record 25.7 21/07/1994 Coldest on record -1.0 03/07/2010
    Hottest this year 43.3° 04/02/2020 Coldest this year 2.3° 19/05/2020
    Long term average 17.9° Long term average 8.0°
    Average this month 19.2° Average this month 9.3°
    Hottest July On Record Avg. max. temp. 19.7° 1959 Coldest July on record Avg. min. temp. 5.5° 1957
    Glen Forrest rainfall history (31.9093°S, 116.1002°E, 165m AMSL)
    RAINFALL
    Wettest This Month 4.2mm 01/07/2020 Total This Month 15.2mm
    6.0 days
    Long Term Average 155.3mm 17.7 days Wettest July on record 446.7mm 1958
    Driest on record 30.6mm 2012
  15. Popup - Radar

    Weather Radar for WA

  16. Year to Date

    Glen Forrest Year To Date

    Average Rainfall To Jul 493.6mm 63.5 day(s)
    Total For 2020 286.4mm 51.0 day(s)
    Total To This Day 2019 278.6mm 42.0 day(s)
    Wettest Day 35.2mm Jun29
    Lowest Temperature 2.3°C May19
    Highest Temperature 43.3°C Feb 4
  17. Popup - Monthly historical

  18. Climatology

    Climate History

    Glen Forrest Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.8 32.0 29.7 25.6 21.8 19.0 17.9 18.6 20.2 22.7 26.0 29.0 24.5
    Mean Min (°C) 17.1 17.5 15.9 13.0 10.4 9.0 8.0 8.0 8.9 10.3 12.7 14.9 12.1
    Mean Rain (mm) 10.0 15.3 16.4 40.5 98.8 157.3 155.3 117.8 73.1 43.6 26.2 11.2 765.9
    Mean Rain Days 2.5 2.8 4.0 7.4 12.5 16.6 17.7 15.8 13.4 9.4 6.6 4.0 111.4