Marshland Weather Forecast
- 45
- 49
Dense Fog
- 40
- 52
Mostly Sunny
- 38
- 55
Sunny
- 37
- 56
Sunny
- 37
- 55
Mostly Sunny
- 38
- 54
Mostly Sunny
- 40
- 53
Partly Sunny
Today 14 Jan Lower Columbia River
Partly sunny. Areas of dense fog this Morning, then patchy fog this afternoon. Highs in the lower 50s. Winds light.
Tonight 14 Jan Lower Columbia River
Mostly cloudy this Evening, then becoming partly cloudy. Areas of dense fog this Evening, then patchy dense fog after midnight. Lows in the lower 40s. Winds light.
Marshland Temperature Statistics
January Temperature
Southwest Washington Regional Airport (18.6 miles)
Lowest 1 January, 2026
30 °FAverage January
44 °FHighest 12 January, 2026
55 °F
Climate (2021–Present)
Southwest Washington Regional Airport (18.6 miles)
Average Low 2021–2026
45.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
62.4 °F