In June, Fort Smith typically sees daytime highs of 31.1°C and overnight lows around 18.8°C. Compared to the annual average high of 22.7°C, June runs +8.4°C.
June in Fort Smith averages a daytime high of 31.1°C and an overnight low of 18.8°C.
June runs +8.4°C compared to Fort Smith's annual average high of 22.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 18.8°C.