Columbia River - Wallace Slough Entrance Weather Forecast
- 40
- 68
Partly Sunny
- 38
- 57
Mostly Sunny
- 39
- 62
Mostly Sunny
- 42
- 68
Mostly Sunny
- 43
- 66
Partly Sunny
- 41
- 56
Chance Rain
Today 6 Apr Lower Columbia River
Mostly sunny. Highs in the mid 70s. Light and variable Winds, becoming west 5 to 10 Mph this afternoon.
Tonight 6 Apr Lower Columbia River
Partly cloudy. Lows around 40. Northwest wind 5 to 10 Mph.
Columbia River - Wallace Slough Entrance Temperature Statistics
April Temperature
Southwest Washington Regional Airport (18.6 miles)
Lowest 3 April, 2026
39 °FAverage April
48.7 °FHighest 3 April, 2026
63 °F
Climate (2021–Present)
Southwest Washington Regional Airport (18.6 miles)
Average Low 2021–2026
45.1 °FAverage 2021–2026
53 °FAverage High 2021–2026
62.5 °F