Columbia River - Coal Creek Slough Entrance Weather Forecast
- 55
- 75
Decreasing Clouds
- 55
- 75
Mostly Cloudy
- 55
- 76
Partly Sunny
- 56
- 75
Mostly Cloudy
- 56
- 71
Mostly Cloudy
- 56
- 72
Partly Sunny
Today 14 Aug Cowlitz County Lowlands
Partly sunny in the Morning, then clearing. Patchy fog in the morning. Highs in the lower 80s. West wind 5 to 10 Mph.
Tonight 14 Aug Cowlitz County Lowlands
Mostly cloudy. Patchy fog. Lows in the mid 50s. Winds light.
Columbia River - Coal Creek Slough Entrance Temperature Statistics
August Temperature
Southwest Washington Regional Airport (11.8 miles)
Lowest 9 August, 2026
54 °FAverage August
69.4 °FHighest 5 August, 2026
93.9 °F
Climate (2021–2026)
Southwest Washington Regional Airport (11.8 miles)
Average Low 2021–2026
45.2 °FAverage 2021–2026
53.1 °FAverage High 2021–2026
62.4 °F