Winchester Weather Forecast
- 31
- 50
Rain/Snow
- 33
- 48
Chance Snow Showers
- 31
- 45
Chance Snow Showers
- 29
- 46
Chance Snow Showers
- 29
- 50
Mostly Sunny
- 33
- 56
Mostly Sunny
Today 31 Mar Lewis and Southern Nez Perce Counties
Patchy fog in the morning. A chance of rain and high elevation snow Showers in the Morning, then rain Showers, high elevation snow Showers and a chance of Thunderstorms in the afternoon. No high elevation snow accumulation. Highs in the upper 40s to mid 50s. Temperature falling into the mid 40s in the afternoon. Gusts up to 20 Mph in the afternoon. Chance of precipitation 90 percent.
Tonight 31 Mar Lewis and Southern Nez Perce Counties
Mostly cloudy. A chance of rain or snow Showers in the evening. Patchy fog overnight. Snow level 3500 feet. Lows in the 30s. Gusts up to 20 Mph in the evening. Chance of precipitation 50 percent.
Winchester Temperature Statistics
March Temperature
Lewiston, Lewiston-Nez Perce County Airport (20.5 miles)
Lowest 6 March, 2025
30.8 °FAverage March
48.9 °FHighest 26 March, 2025
80.7 °F
Climate (2020–Present)
Lewiston, Lewiston-Nez Perce County Airport (20.5 miles)
Average Low 2020–2025
45.3 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
65.4 °F