September 11, 2025

What's on in Sydney

Explore more about Sydney

Sydney Weather Tomorrow

Sydney at Night

Sydney weather can often be warm and dry; however, sun protection and a broad-brimmed hat should always be carried when exploring Sydney’s parks or wilderness areas.

Light winds increasing to the Northeast during the day. Conditions should remain mostly sunny throughout with only a slight chance of showers in the afternoon and evening.

Daytime Temperature

Sydney experiences average daytime temperatures in the high 20s in summer and low 30s in winter, making for a mild climate; yet temperatures can quickly shift between pleasantly warm to intensely hot within minutes of one another.

Sydney experiences an average rainfall of around 1,000 millimeters each year, though there may be variations depending on the month – October typically seeing the lowest amounts and February seeing more rainfall.

Tourists planning on exploring Sydney should bring light clothing and appropriate accessories. For optimal sightseeing conditions, visitors are recommended to come between September to November or February and May when the weather is ideal for sightseeing at its many attractions such as strolling along beaches, hiking in the Blue Mountains, or watching performances at iconic Sydney Opera House. Weather in Sydney tends to be sunny and temperate but can sometimes become breezy; temperatures vary between hot and humid in summer to cool and dry in winter.

Nighttime Temperature

The nighttime temperature can be affected by both actual temperature and dew point. On clear nights, air can cool to dew point before mixing with warmer air higher up, producing lower minimum temperatures than would otherwise exist. A similar process also takes place during windy weather – though only to a lesser extent.

As cooler air moves in, rain and showers follow suit and cause localised flooding and road closures; while storms may also result in power outages across Sydney area suburbs.

Gaining knowledge of the weather forecast can help you plan your activities effectively. It can help alleviate stress or discomfort associated with temperature fluctuations or chronic conditions, save time and money through avoid unnecessary travel plans, reschedule plans at more convenient times. As weather can quickly change throughout the day, be sure to monitor it frequently!

Humidity

These past several weeks have seen record heat across Australia’s east coast, with Sydney particularly suffering through uncomfortable humidity levels. Humidity is measured as water vapor in the atmosphere and plays a crucial role when planning outdoor activities.

Humidity makes it hard to stay cool, since sweating is our body’s primary way of dissipating heat. The higher the humidity is, the more muggy and sticky it feels – leading to faster sweat loss!

Meteorologists use dew point temperature as an accurate way of gauging humidity – this temperature marks when water vapor begins to condense and condense at its surface, and provides an unfailing measure of moisture levels in the air, rather than relative humidity which measures how saturated or dry an environment feels.

Sydney’s proximity to the sea means mild temperatures and lower humidity levels in winter, making its many cultural and indoor attractions an ideal wintertime escape – be it watching a show at Sydney Opera House or perusing some of Australia’s premier art galleries.

Winds

Wind can drastically change Sydney’s temperature and humidity levels. Furthermore, they play an integral part in determining its comfort levels as well as outdoor activities that suit it best. Therefore, when planning any outdoor activities it’s a good idea to check tomorrow’s wind forecast before making plans to go outdoors.

The unique climate and seasonal patterns of New York make it hard to accurately forecast its weather. Temperature can change considerably between morning and afternoon hours, which may be particularly stressful for people sensitive to temperature changes as well as making certain activities difficult to carry out.

Keep stress at bay when the weather turns bad by checking the forecast frequently throughout the day. Doing this will allow you to save both time and money by avoiding transportation delays or changing plans due to more favorable conditions, while making preparations for unexpected rain or windstorms much simpler.