Columbia River - Tomahawk Island Weather Forecast
- 60
- 84
Mostly Cloudy
- 59
- 85
Partly Sunny
- 58
- 85
Mostly Sunny
- 57
- 80
Partly Sunny
- 57
- 78
Partly Sunny
- 61
- 80
Partly Sunny
Today 31 Jul Inner Portland Metro
Partly sunny. Highs in the mid 80s. Winds light.
Tonight 31 Jul Inner Portland Metro
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. Winds light.
Columbia River - Tomahawk Island Temperature Statistics
July Temperature
Pearson Airfield (0.6 miles)
Lowest 5 July, 2025
50.6 °FAverage July
71 °FHighest 13 July, 2025
96.7 °F
Climate (2020–Present)
Pearson Airfield (0.6 miles)
Average Low 2020–2025
46.3 °FAverage 2020–2025
55.2 °FAverage High 2020–2025
64.5 °F