Multnomah Channel - Santosh Slough Entrance Weather Forecast
- 40
- 49
Rain
- 39
- 55
Rain
- 38
- 47
Rain
- 38
- 47
Rain
- 39
- 47
Rain
- 37
- 48
Rain Likely
Today 17 Dec Lower Columbia River
A slight chance of Thunderstorms. Rain this Morning, then rain Showers likely this afternoon. Highs in the upper 40s. Southwest wind 5 to 10 Mph. Chance of rain 90 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 17 Dec Lower Columbia River
A chance of rain Showers in the Evening, then rain after midnight. Lows around 40. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.
Multnomah Channel - Santosh Slough Entrance Temperature Statistics
December Temperature
Scappoose Industrial Airpark (3.1 miles)
Lowest 1 December, 2025
30.9 °FAverage December
48.8 °FHighest 15 December, 2025
61 °F
Climate (2020–Present)
Scappoose Industrial Airpark (3.1 miles)
Average Low 2020–2025
44.1 °FAverage 2020–2025
53.6 °FAverage High 2020–2025
63.4 °F