Barrie, Ontario, is enjoying clear skies and warm temperatures today, but rain is on the way later this week. As of 3:00 PM on Wednesday, August 5, 2026, Environment Canada recorded 27.1 C at the Lake Simcoe Regional Airport, with a humidex making it feel like 32. The sunny conditions are expected to push the high to 29 C today, with a humidex of 34 and a very high UV index of 9.
Tonight will be clear before becoming partly cloudy after midnight, with a low of 18 C. Thursday marks the start of a weather shift, bringing a 60 percent chance of showers late in the morning and into the afternoon, along with a risk of thunderstorms. The high will reach 27 C, with a humidex of 33.
Rain chances stick around through the weekend. Saturday and Monday both carry a 60 percent chance of showers, with highs of 25 C and 24 C respectively. No weather alerts are currently in effect for the City of Barrie.
The warm, dry weather is perfect for a trip to the beach. Kempenfelt Bay water temperatures average around 22.5 C in early August, making for comfortable swimming. The city provides lifeguards at Centennial Beach (through September 4) and Johnson’s Beach (through August 28) daily from 11:30 AM to 5:30 PM. Minet’s Point and Tyndale beaches do not have lifeguards.
Residents looking to soak up the sun have about 14.5 hours of daylight today, with sunrise at 6:10 AM and sunset at 8:39 PM. With showers on the way, the next couple of days offer the best chance to enjoy the outdoors before wet weather settles in.
