According to WBZ's latest forecast, Boston is expected to experience mild weather conditions on April 20, 2026. The day will begin with partly cloudy skies that will gradually clear, leading to a sunny and pleasant atmosphere. Temperatures are forecasted to reach a high of around 60°F (16°C), making it comfortable for various outdoor activities. The winds will be light, blowing from the northwest at approximately 5 to 10 mph, which will contribute to the overall enjoyable conditions.