Columbia River - Cooper Island Weather Forecast
- 47
- 73
Rain Showers
- 47
- 55
Rain Showers
- 43
- 52
Rain Showers
- 41
- 53
Rain Showers
- 44
- 58
Rain Showers
- 41
- 52
Rain Showers
Today 26 Mar Lower Columbia River
A slight chance of Showers this Morning, then Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the mid 70s. Winds Light, rising to south 15 to 20 Mph this afternoon. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 26 Mar Lower Columbia River
Showers with a chance of Thunderstorms in the Evening, then Showers likely after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the mid 40s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Columbia River - Cooper Island Temperature Statistics
March Temperature
Southwest Washington Regional Airport (16.8 miles)
Lowest 6 March, 2025
30.9 °FAverage March
46 °FHighest 1 March, 2025
61 °F
Climate (2020–Present)
Southwest Washington Regional Airport (16.8 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
62.1 °F