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Forecast

Rochester (36.3615°S, 144.7013°E, 112m AMSL) set as my default location ›

  1. My MLA

  2. Current condition

    TODAY
    Windy 24° 42°
    Chance of rain: 50%
    Likely amount: < 1mm
    First
    light     		Sunrise Sunset Last light
    Sunrise Sunset
    5:32am EDT 6:01am EDT 8:13pm EDT 8:42pm EDT
    NOW
    41.7° Feels Like: 31.1°
    Relative Humidity: 7%
    Dew: -1.1°
    Wind: NNW 43km/h
    Gust: 57km/h
    Rainfall since 9am: 0.0mm
    Pressure:  

  3. Today Weather

    Rochester
    Now
    41.2°c
    Feels Like:
    30.9°
    Wind:
    NNW 44km/h
    Gusts:
    54km/h
    Humidity:
    9%
    Windy
     
    24°
    Min
    42°
    Max
    Today in Rochester
    Very hot. Mostly sunny morning. Slight chance of a shower or thunderstorm this afternoon and early evening with little or no rainfall and gusty winds. Areas of raised dust during this afternoon and evening. Winds N/NE 25 to 35 km/h increasing to 35 to 55 km/h in the morning then shifting S/SW 25 to 40 km/h in the late afternoon. Daytime maximum temperatures in the low 40s.
    Tomorrow
    Sunny
    11°
    Min
    29°
    Max
    Mostly sunny. Winds S/SW 15 to 25 km/h becoming light in the late evening. Overnight temperatures falling to around 10 with daytime temperatures reaching the high 20s.

  4. Radar

  5. Popup Radar

  6. Warnings

  7. Next 48 Hours


    Next 48 Hours

  8. 7 day forecast

    Today: Very hot. Mostly sunny morning. Slight chance of a shower or thunderstorm this afternoon and early evening with little or no rainfall and gusty winds. Areas of raised dust during this afternoon and evening. Winds N/NE 25 to 35 km/h increasing to 35 to 55 km/h in the morning then shifting S/SW 25 to 40 km/h in the late afternoon. Daytime maximum temperatures in the low 40s.

    Forecast for Rochester (36.3615°S, 144.7013°E, 112m AMSL)
      Thu Fri Sat Sun Mon Tue Wed
    Summary Windy Sunny Mostly sunny Sunny Mostly sunny Mostly sunny Sunny
    Minimum 24° 11° 10° 9° 9° 13° 7°
    Maximum 42° 29° 28° 30° 34° 25° 28°
    Chance of rain 50% 5% 5% 5% 60% 30% 20%
    Likely amount < 1mm < 1mm < 1mm < 1mm 1-5mm 1-5mm < 1mm
    UV index Extreme Extreme Extreme Extreme Extreme - -
    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 29
    (km/h)     		39
    (km/h)     		18
    (km/h)     		13
    (km/h)     		11
    (km/h)     		16
    (km/h)     		7
    (km/h)     		10
    (km/h)     		9
    (km/h)     		18
    (km/h)     		21
    (km/h)     		22
    (km/h)     		11
    (km/h)     		11
    (km/h)
    Wind direction NNE NNW SSW WSW SW WSW S WSW NE NNW SW SW S SW
    Relative humidity 17% 11% 54% 19% 51% 24% 50% 18% 30% 12% 56% 32% 52% 28%
    Dew point 4°C 6°C 6°C 3°C 7°C 5°C 7°C 3°C 3°C 0°C 6°C 8°C 5°C 7°C

  9. 28 Day Rainfall forecast

    Rochester Rain Forecast

    Rochester 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    21
    LOW
    22
    23
    24
    25
    LOW
    26
    LOW
    27
    LOW
    28
    29
    30
    LOW
    Dec 1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    LOW
    14
    15
    16
    17
    LOW
    18
    19
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Nov21

    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 South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 26 November to 30 November, 11 December to 15 December, and 21 December to 25 December. Rain events originating in the tropics and moving south are possible about 26 November to 30 November, 2 December to 6 December, and 12 December to 16 December. Over Western Australia the strongest cold fronts should occur about 28 November to 2 December, 16 December to 20 December, and 21 December to 25 December.

    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

    Rochester Rain Forecast

    Rochester 12-month Rainfall Forecast
    Nov
    Dec
    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    2019
    2020
    6
    5
    9
    6
    5
    5
    6
    7
    5
    3
    4
    5
    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 Nov 8

    ENSO status: Neutral IOD status: Positive Sea surface temperatures (SSTs) across the equatorial central Pacific warmed up slightly over the past few weeks. As a reflection, the Nino3.4 index lingered between 0.5 and 0.7 throughout the month of October. The Southern Oscillation Index (SOI) recorded a value of -5.6 during the past month. The current outlook consensus suggests warmer than average SSTs will persist across the equatorial Pacific Ocean through the coming months, but remaining within neutral values. Five out of eight international models maintain a warmer than average Pacific Ocean through the end of 2019 and first quarter of 2020, however, none of these reaching El Nino thresholds. The IRI ENSO forecast continues to suggest less than 40% of another El Nino developing over the next 12 months, with a neutral ENSO the most likely outcome. To the west of Australia, the Indian Ocean Dipole (IOD) remains strongly positive, with the highest positive value since the early 2000s. All six international models maintain a strong positive event until December. In terms of rainfall, there is little variation to the outlook issued last month. The climate outlook for October continues to favour below average rainfall for most of Australia, in particular the eastern half of the continent. During Positive IODs, central and southeastern Australia tend to see a reduction in rainfall during spring, due to a reduction of moisture streaming from the northwest. For northern Australia, the current outlook is for a late onset of the wet season across the Northern Territory and Queensland. Thus far, Darwin and South Eastern Qld have seen the onset of the wet season this year though a week later than usual. Further south, a negative trend in the Southern Annular Mode (SAM) will continue to enhance frontal activity over the far south during October and early. This is likely to offset the Positive IOD in far southern Victoria and western Tasmania, which could see average-to-above average rainfall during October and early December. Looking further ahead, with no significant signature from ENSO, there are no significant climate drivers tilting the balance towards a drier or wetter summer. The current outlook suggest neutral odds.

  11. Long range rainfall forecast

    Rochester Rain Forecast

    Rochester 28-day Rainfall Forecast
    SUN
    MON
    TUE
    WED
    THU
    FRI
    SAT
    21
    LOW
    22
    23
    24
    25
    LOW
    26
    LOW
    27
    LOW
    28
    29
    30
    LOW
    Dec 1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    LOW
    14
    15
    16
    17
    LOW
    18
    19
    CHANCE OF RAINFALL WITHIN DISTRICT
    NIL < 25%
    LOW 25% to 50%
    MEDIUM 50% to 75%
    HIGH ≥ 75%
    Issued Nov21

    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 South America.

    Summary:

    Over southern and eastern Australia the cold front events with potential to bring widespread rain are now expected about 26 November to 30 November, 11 December to 15 December, and 21 December to 25 December. Rain events originating in the tropics and moving south are possible about 26 November to 30 November, 2 December to 6 December, and 12 December to 16 December. Over Western Australia the strongest cold fronts should occur about 28 November to 2 December, 16 December to 20 December, and 21 December to 25 December.

    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

    Rochester Past 5 Days

    This Month
    Minimum Maximum Rainfall
    Sunday
    Nov 17     		7.5 °C 23.5 °C
    0.0 mm
    Monday
    Nov 18     		7.2 °C 31.0 °C
    0.0 mm
    Tuesday
    Nov 19     		11.0 °C 32.7 °C
    0.0 mm
    Wednesday
    Nov 20     		10.1 °C 37 °C
    0.0 mm
    Thursday
    Nov 21     		25 °C -
    0.0 mm
    Legend

  14. Almanac

    Almanac

    Rochester minimum temp history (36.3615°S, 144.7013°E, 112m AMSL)
    MAXIMUM TEMPERATURE MINIMUM TEMPERATURE
    Hottest this month 34.5° 01/11/2019 Coldest this month 3.6° 09/11/2019
    Hottest on record 43.2 29/11/2012 Coldest on record 1.3 17/11/1999
    Hottest this year 46.9° 25/01/2019 Coldest this year -2.5° 24/06/2019
    Long term average 26.1° Long term average 10.9°
    Average this month 24.2° Average this month 10.1°
    Hottest November On Record Avg. max. temp. 31.5° 2009 Coldest November on record Avg. min. temp. 8.8° 1986
    Rochester rainfall history (36.3615°S, 144.7013°E, 112m AMSL)
    RAINFALL
    Wettest This Month 9.0mm 03/11/2019 Total This Month 16.9mm
    5.0 days
    Long Term Average 32.6mm 6.0 days Wettest November on record 153.5mm 2009

  15. Popup - Radar

  16. Year to Date

    Rochester Year To Date

    Average Rainfall To Nov 398.6mm 86.6 day(s)
    Total For 2019 229.7mm 76.0 day(s)
    Total To This Day 2018 215.1mm 73.0 day(s)
    Wettest Day 15.0mm Jul 8
    Lowest Temperature -2.5°C Jun24
    Highest Temperature 46.9°C Jan25

  17. Popup - Monthly historical

  18. Climatology

    Rochester Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.2 30.8 27.5 22.7 17.8 14.6 13.7 15.5 18.4 22.2 26.1 28.9 22.4
    Mean Min (°C) 15.0 15.1 12.8 9.3 6.5 4.3 3.5 4.4 6.0 8.2 10.9 13.1 9.1
    Mean Rain (mm) 27.5 26.7 30.7 33.5 40.1 43.1 41.4 42.1 39.0 41.9 32.6 29.1 427.7
    Mean Rain Days 3.9 3.6 4.5 5.9 8.9 11.6 12.6 11.8 9.5 8.3 6.0 5.0 90.7

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