In March, Fort Smith typically sees daytime highs of 17.4°C and overnight lows around 4.1°C. Compared to the annual average high of 22.7°C, March runs -5.3°C.
March in Fort Smith averages a daytime high of 17.4°C and an overnight low of 4.1°C.
March runs -5.3°C compared to Fort Smith's annual average high of 22.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 17.4°C and cooler evenings around 4.1°C.