Arthur Weather Forecast
- 47
- 74
Becoming Sunny
- 55
- 78
Partly Sunny
- 55
- 81
Mostly Sunny
- 51
- 77
Partly Sunny
- 53
- 78
Partly Sunny
- 55
- 80
Mostly Sunny
Today 26 Aug Douglas
Mostly sunny. Highs in the mid 70s. Northwest Winds around 5 Mph, increasing to around 10 Mph this afternoon.
Tonight 26 Aug Douglas
Mostly clear. Lows in the upper 40s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.
Arthur Temperature Statistics
August Temperature
Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)
Lowest 3 August, 2025
53.7 °FAverage August
75.7 °FHighest 16 August, 2025
94.6 °F
Climate (2020–Present)
Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)
Average Low 2020–2025
45.8 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
64.5 °F