Winthrop Weather Forecast
- 23
- 38
Snow Likely
- 18
- 41
Chance Snow
- 18
- 40
Slight Chance Snow
- 26
- 38
Rain/Snow Likely
- 34
- 49
Rain Likely
- 35
- 55
Chance Rain
Today 12 Mar Western Okanogan County
Snow. Blowing snow in the morning. Patchy blowing snow in the afternoon. Snow accumulation of 3 to 5 Inches. Highs in the mid 30s to lower 40s. Windy. West wind 10 to 20 Mph, except west 20 to 30 Mph in the Mountains. Gusts up to 45 Mph. In the Mountains, Gusts up to 75 Mph decreasing to 60 Mph in the afternoon. Chance of precipitation near 100 percent.
Tonight 12 Mar Western Okanogan County
Snow likely in the Evening, then a chance of snow overnight. Snow accumulation of 2 to 5 Inches. Lows in the lower 20s to lower 30s. West wind 5 to 15 Mph with Gusts up to 30 Mph in the Evening, becoming light and variable. In the Mountains, west wind 15 to 25 Mph with Gusts up to 55 Mph decreasing to 5 to 15 Mph with Gusts up to 30 Mph overnight. Chance of precipitation 70 percent.
Winthrop Temperature Statistics
March Temperature
Omak Airport (30.4 miles)
Lowest 1 March, 2026
28.9 °FAverage March
45.5 °FHighest 7 March, 2026
70 °F
Climate (2021–Present)
Omak Airport (30.4 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
52 °FAverage High 2021–2026
63 °F