Fort Smith Weather Forecast
- 65
- 83
Partly Sunny
- 71
- 89
Slight Chance Thunderstorms
- 69
- 88
Partly Sunny
- 74
- 88
Chance Thunderstorms
- 72
- 87
Rain Showers Likely
- 66
- 85
Rain Showers Likely
Fort Smith Temperature Statistics
May Temperature
Fort Smith Regional Airport (3.7 miles)
Lowest 7 May, 2026
44.7 °FAverage May
65.9 °FHighest 9 May, 2026
87.7 °F
Climate (2021–Present)
Fort Smith Regional Airport (3.7 miles)
Average Low 2021–2026
54.1 °FAverage 2021–2026
64.7 °FAverage High 2021–2026
76.1 °F