Weather In Las Vegas In March 2025. Get the monthly weather forecast for las vegas, nv, including daily high/low, historical averages, to help you plan ahead. But due to the very dry air, it can feel.

Daily high temperatures increase by 8°f, from 68°f to 76°f, rarely falling below 58°f or exceeding 86°f. Full weather forecast for las vegas in march 2025.