March is one of the best times to visit Scottsdale, Arizona. The weather is pleasantly warm, with average daytime highs ranging from 75°F to 78°F ($24\text{°C}$ to $26\text{°C}$). Evenings are cool and comfortable, usually staying around 50°F ($10\text{°C}$). It is the perfect climate for outdoor activities like hiking, golfing, or attending Spring Training baseball games before the intense summer heat arrives.