Lake Merwin Weather Forecast
- 37
- 53
Chance Rain Showers
- 37
- 58
Mostly Sunny
- 39
- 56
Mostly Sunny
- 43
- 58
Partly Sunny
- 42
- 62
Mostly Cloudy
- 35
- 47
Rain Showers Likely
Today 29 Mar South Washington Cascade Foothills
Mostly cloudy with a slight chance of rain Showers this Morning, then mostly sunny this afternoon. Highs in the upper 50s. East wind 5 to 10 Mph, becoming northeast this afternoon. Chance of rain 20 percent.
Tonight 29 Mar South Washington Cascade Foothills
Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northeast wind 5 to 10 Mph.
Lake Merwin Temperature Statistics
March Temperature
Southwest Washington Regional Airport (22.4 miles)
Lowest 6 March, 2024
26.1 °FAverage March
46.1 °FHighest 16 March, 2024
75.9 °F
Climate (2019–Present)
Southwest Washington Regional Airport (22.4 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
45.1 °FAverage 2019–2024
52.6 °FAverage High 2019–2024
62 °F