Newcastle weather forecast: sunny intervals, rain chance, and cooler temps today

Newcastle, September 17, 2026 – Residents of Newcastle can expect a day of mixed weather, beginning with sunny intervals and a moderate chance of rain. The day will see a noticeable drop in temperature from the previous day, with a high of 16°C and a low of 12°C. Humidity levels are expected to be high, reaching 85%, which may make the air feel damp.The morning will start with pleasant sunny intervals, offering a brief respite from overcast conditions. However, as the day progresses, cloud cover is likely to increase, bringing with it a slight chance of precipitation. The maximum wind speed is forecast to be around 62.76 kph, suggesting that gusts could be felt throughout the day.Newcastle Weather TodayToday in Newcastle, the weather will be characterised by sunny intervals, particularly in the earlier part of the day. The maximum temperature is predicted to reach 16°C, while the minimum temperature will be around 12°C. This offers a relatively mild day, though the high humidity of 85% might contribute to a feeling of dampness in the air.There is a 10% chance of rain today, so while significant downpours are unlikely, a light shower cannot be entirely ruled out. The wind will be a notable factor, with a maximum speed of 62.76 kph, indicating that it could be breezy. The overall condition is described as sunny intervals, suggesting a day where sunshine will be interspersed with cloud.Pack a light jacket and an umbrellaGiven the forecast of sunny intervals mixed with potential cloud cover and a slight chance of rain, it would be prudent for Newcastle residents to be prepared for changing conditions. Carrying a light jacket is advisable to ward off any chill, especially with the cooler temperatures. Additionally, a compact umbrella or a waterproof outer layer could prove useful should any unexpected showers materialise during the day.The high humidity means that even with moderate temperatures, the air might feel cooler or damper than usual. It is also a good idea to stay hydrated, as high humidity can sometimes make the body feel warmer. For those planning outdoor activities, it would be wise to check the weather closer to the time, as the sunny intervals could give way to more persistent cloud.Newcastle Weather for Upcoming 7 DaysLooking ahead, the weather in Newcastle is set to experience a period of varied conditions. Tomorrow, September 18th, will be overcast with temperatures ranging from 15°C to 17°C. Following this, September 19th is expected to bring back sunny intervals, with a high of 18°C and a low of 12°C.The trend of mixed weather continues into the latter half of the week. September 20th is forecast to be cloudy, with temperatures between 15°C and 17°C. September 21st is predicted to be misty, with the warmest day of the upcoming period expected, reaching a high of 19°C and a low of 15°C. The week concludes with cloudy conditions on September 22nd, followed by sunny intervals on September 23rd, with temperatures generally remaining mild.DateConditionMax Temp (°C)Min Temp (°C)2026-09-17Sunny intervals16122026-09-18Overcast17152026-09-19Sunny intervals18122026-09-20Cloudy17152026-09-21Mist19152026-09-22Cloudy18122026-09-23Sunny intervals1612The week ahead in Newcastle promises a dynamic weather pattern, with a mix of sunshine, cloud, and mist.Source: Data referenced in this article is taken from the latest World News and Live updates. Download the TOI app.