Winthrop Weather Forecast
- 52
- 84
Decreasing Clouds
- 56
- 87
Mostly Sunny
- 59
- 93
Mostly Sunny
- 60
- 95
Mostly Sunny
- 54
- 86
Partly Sunny
- 56
- 88
Sunny
- 60
- 94
Mostly Sunny
Today 5 Jul Western Okanogan County
Partly cloudy. Highs in the upper 70s to mid 80s. South wind 5 to 15 Mph in the afternoon.
Tonight 5 Jul Western Okanogan County
Partly cloudy. Lows in the 50s. Northwest wind 5 to 15 Mph in the Evening, becoming light and variable.
Winthrop Temperature Statistics
July Temperature
Omak Airport (30.4 miles)
Lowest 3 July, 2025
57 °FAverage July
78.3 °FHighest 1 July, 2025
99 °F
Climate (2020–Present)
Omak Airport (30.4 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
51.7 °FAverage High 2020–2025
62.6 °F