Lake Merwin Weather Forecast
- 49
- 74
Sunny
- 45
- 65
Rain Showers
- 39
- 53
Chance Rain Showers
- 39
- 59
Mostly Sunny
- 47
- 70
Mostly Sunny
- 49
- 74
Partly Sunny
- 45
- 70
Partly Sunny
Today 1 May South Washington Cascade Foothills
Sunny. Highs in the lower 80s. Winds light.
Tonight 1 May South Washington Cascade Foothills
Clear. Lows in the upper 40s. Winds light.
Lake Merwin Temperature Statistics
May Temperature
Southwest Washington Regional Airport (22.4 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Southwest Washington Regional Airport (22.4 miles)
Average Low 2020–2025
45 °FAverage 2020–2025
52.7 °FAverage High 2020–2025
62.1 °F