Sizzling Skies and Sun Protection: Adelaide’s Valentine’s Day Forecast

A Radiant Start to the Weekend

Adelaide is set to bask in glorious sunshine this Saturday, 14 February 2026, making it a perfect day for outdoor Valentine’s dates and weekend outings. Residents can expect a quintessential summer day characterized by clear blue skies and a steady climb in mercury. While the morning will offer a refreshing start, the afternoon heat will require some preparation for those heading out to the city’s parks or coastal fringes.

Temperature Trends: Morning to Night

The day begins with a comfortable minimum of 16°C in the early hours, providing a brief window of cool air before the sun takes full effect. By mid-morning, temperatures will rise quickly, reaching an expected peak of 31°C to 33°C in the mid-afternoon. The heat will be most intense between 2:00 pm and 4:00 pm, though the low humidity levels should keep the air feeling dry rather than muggy.

• Morning (6:00 am - 12:00 pm): Mostly sunny with temperatures moving from 16°C up to the mid-20s. Ideal for early morning walks along the River Torrens.
• Afternoon (12:00 pm - 6:00 pm): Reaching the daily high of 31°C. The sky will remain largely clear with only a 5% chance of any stray precipitation.
• Evening (6:00 pm - 10:00 pm): A beautiful, clear evening for outdoor dining. Temperatures will slowly recede into the low 20s, remaining very pleasant well after sunset.

Wind and Coastal Conditions

Southeasterly winds will be a feature of the day, starting at 25 to 35 km/h before easing slightly. These breezes will provide some relief from the heat, particularly in the southern suburbs and near the coast. However, those planning a beach day at Glenelg or Henley should be aware of the steady wind gusts, which may make the water a bit choppy for light watercraft.

Critical Warnings and Safety

While the weather is generally favorable, two major alerts are in place for Saturday. Firstly, the UV Index is predicted to reach an Extreme level of 11. Sun protection is highly recommended between 9:30 am and 5:20 pm. Residents should follow the "Slip, Slop, Slap" rule and seek shade whenever possible. Additionally, a High Fire Danger rating has been issued for the Mount Lofty Ranges. Those travelling through the hills should stay informed of local conditions and adhere to all CFS guidelines.

With 0 mm of rainfall forecast, it is a dry and bright Valentine’s Day for the city of churches. Whether you are heading to the Fringe or a romantic dinner, the weather is firmly on your side—just don't forget the sunscreen!