Portland Municipal Airport Weather Forecast
- 50
- 77
Mostly Sunny
- 61
- 80
Decreasing Clouds
- 58
- 86
Rain Showers
- 41
- 68
Chance Rain Showers
- 52
- 71
Chance Rain Showers
- 40
- 70
Slight Chance Rain Showers
- 41
- 65
Mostly Sunny
Today 16 Oct Sumner
Sunny. Near steady temperature in the mid 70s. Northeast Winds around 10 Mph.
Tonight 16 Oct Sumner
Clear this Evening, then becoming partly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.
Portland Municipal Airport Temperature Statistics
October Temperature
Springfield Robertson County Airport (24.9 miles)
Lowest 13 October, 2025
46.4 °FAverage October
66.9 °FHighest 1 October, 2025
86 °F
Climate (2020–Present)
Springfield Robertson County Airport (24.9 miles)
Average Low 2020–2025
49.8 °FAverage 2020–2025
59.7 °FAverage High 2020–2025
69.7 °F