Mercer Lake Weather Forecast
- 47
- 62
Rain Likely
- 50
- 60
Rain
- 52
- 61
Rain
- 45
- 58
Rain
- 44
- 53
Rain
- 46
- 56
Rain
Today 13 Dec Central Oregon Coast Range Lowlands
Patchy fog this morning. Mostly sunny. Highs around 60. Winds light.
Tonight 13 Dec Central Oregon Coast Range Lowlands
Partly cloudy in the Evening, then mostly cloudy with rain likely after midnight. Lows in the mid 40s. Winds light. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.
Mercer Lake Temperature Statistics
December Temperature
Newport, Newport Municipal Airport (36 miles)
Lowest 1 December, 2025
35.6 °FAverage December
49.6 °FHighest 7 December, 2025
55.4 °F
Climate (2020–Present)
Newport, Newport Municipal Airport (36 miles)
Average Low 2020–2025
44 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
56.5 °F