Portland Weather Forecast
- 69
- 82
Chance Rain Showers
- 72
- 88
Chance Rain Showers
- 74
- 92
Partly Sunny
- 73
- 92
Partly Sunny
- 71
- 92
Slight Chance Thunderstorms
- 69
- 89
Chance Rain Showers
Today 29 Aug Whiteside
Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph.
Tonight 29 Aug Whiteside
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. South Winds 10 to 15 Mph. Chance of rain 30 percent.
Portland Temperature Statistics
August Temperature
Sterling Rockfalls (16.8 miles)
Lowest 24 August, 2026
51.1 °FAverage August
72.6 °FHighest 4 August, 2026
84.9 °F
Climate (2021–2026)
Sterling Rockfalls (16.8 miles)
Average Low 2021–2026
42 °FAverage 2021–2026
52 °FAverage High 2021–2026
62.1 °F