Lystair Lake Weather Forecast
- 47
- 72
Rain Likely
- 46
- 79
Partly Sunny
- 47
- 78
Mostly Sunny
- 53
- 84
Mostly Sunny
- 49
- 76
Partly Sunny
- 47
- 75
Partly Sunny
Today 28 Jul Middle Chehalis River Valley
Patchy fog in the morning. A chance of rain in the morning. Rain likely early in the Afternoon, then a chance of rain late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the upper 60s to mid 70s. South wind to 10 Mph becoming southwest around 10 Mph in the afternoon.
Tonight 28 Jul Middle Chehalis River Valley
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Areas of fog in the morning. Lows in the mid 40s to lower 50s. West wind around 10 Mph in the evening becoming light.
Lystair Lake Temperature Statistics
July Temperature
Shelton, Shelton Sanderson Field (10.6 miles)
Lowest 13 July, 2026
42.1 °FAverage July
63.1 °FHighest 21 July, 2026
96.1 °F
Climate (2021–2026)
Shelton, Shelton Sanderson Field (10.6 miles)
Average Low 2021–2026
41.8 °FAverage 2021–2026
51.3 °FAverage High 2021–2026
61.3 °F