Brandon residents can look forward to a stretch of warm and mostly sunny weather this week, according to Environment Canada. The forecast comes after a cloudy start on Monday, August 17, 2026, with a 30 percent chance of showers and a risk of thunderstorm in the afternoon.
Monday’s high is expected to reach 22°C with a Humidex of 25. Winds are forecast to be northwest at 20 km/h, gusting to 40 km/h. The UV index is 6, which is considered high, prompting officials to recommend sunscreen, hats, and seeking shade during peak midday hours.
The weather is set to improve through the week. Tuesday will be mainly sunny with a high of 24°C. Wednesday brings a mix of sun and cloud and 27°C. Thursday is expected to be the warmest day at 28°C, which is about 4 degrees above the average August high of 24°C. From Friday through Sunday, sunny skies and highs between 24 and 25°C are in the forecast.
There are currently no weather alerts in effect for the Brandon area. Residents planning outdoor activities should be aware of the high UV index on Monday and Tuesday and take appropriate sun protection measures.