Portland Weather Forecast
- 54
- 80
Becoming Sunny
- 57
- 80
Partly Sunny
- 64
- 82
Mostly Cloudy
- 68
- 85
Chance Rain Showers
- 68
- 86
Chance Rain Showers
- 67
- 86
Slight Chance Thunderstorms
Today 27 Aug Ionia
Mostly sunny. Highs around 80. Northwest Winds 5 to 10 Mph.
Tonight 27 Aug Ionia
Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts to around 20 Mph in the evening becoming light.
Portland Temperature Statistics
August Temperature
Ionia County Airport (9.3 miles)
Lowest 24 August, 2026
50 °FAverage August
70.7 °FHighest 4 August, 2026
86 °F
Climate (2021–2026)
Ionia County Airport (9.3 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
50 °FAverage High 2021–2026
59 °F