South Twin Lake Weather Forecast
- 42
- 63
Rain Showers
- 37
- 55
Slight Chance Rain Showers
- 35
- 53
Partly Sunny
- 36
- 53
Partly Sunny
- 38
- 56
Partly Sunny
- 40
- 60
Partly Sunny
Today 22 Apr Okanogan Highlands
Mostly cloudy. Rain Showers likely in the Morning, then a chance of rain Showers in the afternoon. Highs in the 60s. Northwest wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph. In the Mountains, northwest wind 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 70 percent. Rainfall Amounts up to a half inch possible.
Tonight 22 Apr Okanogan Highlands
Mostly clear. Lows in the upper 30s to mid 40s. Northwest wind 5 to 15 Mph with Gusts up to 30 Mph, except northwest 20 to 30 Mph with Gusts up to 45 Mph in the Mountains.
South Twin Lake Temperature Statistics
April Temperature
Deer Park, Deer Park Airport (48.5 miles)
Lowest 9 April, 2026
24.7 °FAverage April
45.7 °FHighest 6 April, 2026
72.6 °F
Climate (2021–Present)
Deer Park, Deer Park Airport (48.5 miles)
Average Low 2021–2026
35.9 °FAverage 2021–2026
48.5 °FAverage High 2021–2026
60.3 °F