Winthrop Weather Forecast
- 32
- 65
Increasing Clouds
- 33
- 58
Rain Showers Likely
- 29
- 60
Mostly Sunny
- 31
- 64
Mostly Sunny
- 36
- 64
Mostly Cloudy
- 34
- 64
Partly Sunny
Today 9 Oct Western Okanogan County
Becoming mostly sunny in the afternoon. Rain Showers in the Morning, then a chance of rain and high mountain snow Showers in the afternoon. No high mountain snow accumulation. Snow level 6000 feet in the afternoon. Highs in the 60s. Breezy. West wind 10 to 20 Mph in the Afternoon, Gusts up to 20 Mph increasing to 35 Mph in the afternoon. Chance of precipitation near 100 percent.
Tonight 9 Oct Western Okanogan County
Mostly clear in the Evening, then mostly cloudy with a chance of mountain snow Showers overnight. Lows in the lower 30s to lower 40s. Breezy. Northwest wind 5 to 15 Mph in the Evening, becoming light and Variable, Gusts up to 30 Mph decreasing to 20 Mph overnight. Chance of precipitation 50 percent.
Winthrop Temperature Statistics
October Temperature
Omak Airport (30.4 miles)
Lowest 5 October, 2026
45 °FAverage October
60.5 °FHighest 4 October, 2026
78.1 °F
Climate (2021–2026)
Omak Airport (30.4 miles)
Average Low 2021–2026
40.8 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
62.9 °F