Forecast
Winchester (29.7714°S, 115.9263°E, 254m AMSL) set as my default location ›
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My MLA
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Current condition
TODAY19° 28° mostly cloudy Chance of rain: 20% Likely amount: < 1mm First
lightLast light Sunrise Sunset 6:21am WST 6:46am WST 5:41pm WST 6:05pm WST NOW18.5° Feels Like: 18.6° Relative Humidity: 84% Dew: 15.7° Wind: N 9km/h Gust: 11km/h Rainfall since 9am: 1.6mm Pressure: 1055.8hPa -
Today Weather
WinchesterNow18.6°cFeels Like:17.3°Wind:NE 15km/hGusts:17km/hHumidity:79%19°Min28°MaxToday in WinchesterPartly cloudy. Medium chance of showers, becoming less likely this morning. The chance of a thunderstorm in the S during the morning and afternoon. Winds NE/SE 15 to 25 km/h tending NW/NE in the morning then tending E/SE 15 to 20 km/h in the late afternoon. Daytime maximum temperatures around 30.Tomorrow16°Min27°MaxMostly sunny. Light winds becoming S/SW 20 to 30 km/h in the middle of the day. Overnight temperatures falling to between 14 and 17 with daytime temperatures reaching 26 to 31. -
Radar
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Popup Radar
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Warnings
There are no current warnings for Winchester
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7 day forecast
Today: Partly cloudy. Medium chance of showers, becoming less likely this morning. The chance of a thunderstorm in the S during the morning and afternoon. Winds NE/SE 15 to 25 km/h tending NW/NE in the morning then tending E/SE 15 to 20 km/h in the late afternoon. Daytime maximum temperatures around 30.
Forecast for Winchester (29.7714°S, 115.9263°E, 254m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary Minimum 19° 16° 13° 11° 10° 11° 12° Maximum 28° 27° 23° 22° 22° 22° 24° Chance of rain 20% 10% 5% 5% 5% 5% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Moderate Moderate Moderate Moderate Moderate Moderate Moderate Fire Danger Rating Moderate Moderate Moderate Moderate - - - 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 15
(km/h)12
(km/h)7
(km/h)9
(km/h)16
(km/h)17
(km/h)17
(km/h)13
(km/h)10
(km/h)14
(km/h)13
(km/h)16
(km/h)17
(km/h)15
(km/h)Wind direction NE NNW S SW SSE S SE S SSE S SE SE ESE E Relative humidity 66% 39% 70% 47% 71% 42% 69% 41% 69% 37% 71% 38% 63% 33% Dew point 15°C 13°C 15°C 16°C 10°C 10°C 9°C 8°C 8°C 7°C 9°C 7°C 8°C 6°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Winchester Rain Forecast
Winchester 12-month Rainfall ForecastMayJunJulAugSepOctNovDecJanFebMar20242025655667108677105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued May 1
ENSO status: Inactive. IOD status: Neutral, becoming positive. SAM status: Neutral, favouring positive in winter. The El Niño Southern Oscillation (ENSO) is in an inactive phase. Ocean cooling is occurring in the eastern Pacific, with 3 out of 7 global models forecasting a La Niña to develop in 2024. Warmer than normal waters are situated in the Coral Sea, providing moisture and humidity to the east coast. The atmosphere continues to be firmly neutral after weakening early in the year. A neutral ENSO typically has no significant impact on Australian rainfall during winter. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are at record levels in the western Indian Ocean, and the IOD index is spiking in response. Persistent southeasterly winds have set in over the eastern Indian Ocean, signalling that the atmosphere is starting to respond to the ocean patterns. A burst of tropical activity expected in mid-May could make-or-break this event, as tropical activity in certainlocations could either strengthen or hinder the development of a positive IOD. If this tropical activity is favourable for a positive IOD, significant upwelling near Indonesia may occur as soon as late-May. A positive IOD reduces the number of northwest cloudbands that cross Australia during winter and spring, reducing rainfall across central and southeastern parts of Australia. The Southern Annular Mode (SAM) is neutral but is expected to favour a positive phase during winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east, while cooling temperatures. A positive SAM reduces cold fronts and rainfall over southern Australia, particularly for southwest WA. Rainfall outlooks are showing slightly below average rainfall over winter for WA, and the southwest coasts of SA, Vic and Tas. Conversely, above average rainfall is expected for eastern parts of Qld and NSW, and potentially eastern Tas.
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Popup - Daily historical
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Long range rainfall forecast
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Past 5 Days
Winchester Past 5 Days
This MonthMinimum Maximum Rainfall Saturday
Apr 27- - 0.0 mmSunday
Apr 28- 29.5 °C 0.0 mmMonday
Apr 2912.0 °C - 0.0 mmTuesday
Apr 30- 29.0 °C -Wednesday
May 0116.5 °C - 4.1 mmLegend -
Almanac
Almanac
Winchester minimum temp history (29.7714°S, 115.9263°E, 254m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 36.8° 07/04/2024 Coldest this month 16.5° 01/05/2024 Hottest on record 35.5 01/05/2002 Coldest on record 1.1 28/05/1964 Hottest this year 48.0° 19/02/2024 Coldest this year 12.0° 29/04/2024 Long term average 22.6° Long term average 10.9° Average this month 31.3° Average this month 16.5° Hottest May On Record Avg. max. temp. 26.1° 1994 Coldest May on record Avg. min. temp. 6.6° 1940 Winchester rainfall history (29.7714°S, 115.9263°E, 254m AMSL) RAINFALL Wettest This Month 4.0mm 01/05/2024 Total This Month 4.0mm
1.0 daysLong Term Average 48.3mm 8.6 days Wettest May on record 182.1mm 1999 Driest on record 1.5mm 1949 -
Year to Date
Winchester Year To Date
Average Rainfall To May 119.4mm 19.9 day(s) Total For 2024 47.3mm 5.0 day(s) Total To This Day 2023 41.7mm 9.0 day(s) Wettest Day 18.0mm Feb26 Lowest Temperature 12.0°C Apr29 Highest Temperature 48.0°C Feb19 -
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Popup - Monthly historical
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Climatology
Climate History
Winchester Climatology
Winchester Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 36.1 35.7 32.7 27.6 22.6 19.0 17.9 19.2 22.0 26.1 30.0 33.6 26.8 Mean Min (°C) 18.5 19.3 17.3 14.1 10.9 8.7 7.4 7.3 8.1 10.4 13.4 16.1 12.6 Mean Rain (mm) 12.5 15.8 19.8 23.0 48.3 71.6 67.5 51.5 25.6 15.8 10.3 8.2 369.8 Mean Rain Days 2.0 2.1 2.7 4.5 8.6 12.2 13.6 11.7 8.0 5.1 2.9 1.8 75.7