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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for exact conditions, then plan for warm to hot days with a chance of afternoon showers or storms – typical for Sydney in January. Summer humidity often brings unsettled afternoons, so carry water and sun protection.
What to expect day by day
The pattern over the next seven days will likely follow a familiar summer routine: morning sun, building cloud, then a possible shower or thunderstorm inland. Coastal suburbs stay a few degrees cooler thanks to the sea breeze, while western areas push into the low to mid-thirties. Humidity eases if a southerly change arrives midweek.
How far ahead can you trust the forecast?
Next week’s outlook is reliable for the first three to four days, then broadens into general trends. For precise timing of showers or wind shifts, check the bom 14 day forecast sydney each morning. A longer view, like the sydney weather forecast 30 days, is useful for spotting major fronts but not for daily planning.
Will it rain all week?
No. Showers are usually scattered and brief, especially in the afternoon. Most mornings are dry. For a detailed breakdown, look at the weather in sydney 10 days on the live panel.
Do I need a jacket for evenings?
Light layers – a thin jacket or jumper – are handy if you’re out after sunset, especially near the coast where the breeze picks up. Nights are mild, rarely dropping below 17 °C.
How humid will it be?
Humidity often climbs above 70% in the afternoon, making the heat feel heavier. A southerly change can drop humidity quickly. The 15 day sydney weather forecast 14 days can show when that change is expected.
For the latest on storms or heat, visit our Australia weather hub. See the full Sydney weather page for longer-term outlooks like the 21 day weather forecast sydney and sydney weather 28-day forecast.