Winchester, ID Weather
Winchester, ID climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is August with an average maximum temperature of 77.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 19.70 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 31 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.
The annual average precipitation at Winchester is 24.71 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 3.18 Inches.
Weather Data
Current Conditions
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Overcast, 47°F | Humidity: 48% | Dewpoint: 28°F |
| Wind Speed: S 11.5 MPH (10 KT) | Heat Index: 47°F | ||
| Barometer: 30.37 in. | Wind Chill: 42°F |
Weather Forecast
| Hi: 40°F | Today: Mostly cloudy. Highs in the upper 30s to mid 40s. | |
| Lo: 26°F | ||
| Hi: 43°F | Tuesday: Mostly cloudy. A slight chance of rain or snow showers in the morning. Snow level 3500 feet in the morning. Highs in the lower to mid 40s. Chance of precipitation 20 percent. | |
| Lo: 26°F | ||
| Hi: 45°F | Wednesday: Mostly sunny. Highs in the 40s. | |
| Lo: 30°F | ||
| Hi: 45°F | Thanksgiving day: Partly cloudy. Highs in the 40s. | |
| Lo: 33°F | ||
| Hi: 47°F | Friday: Mostly cloudy with a 40 percent chance of rain and high elevation snow showers. Highs in the mid to upper 40s. | |
| Lo: 26°F | ||
| Hi: 36°F | Saturday: Mostly cloudy with a 20 percent chance of rain or snow showers. Highs in the mid 30s to lower 40s. Lows in the mid 20s to lower 30s. | |
| Lo: 26°F | ||
| Hi: 36°F | Sunday: Mostly cloudy with a 20 percent chance of rain or snow showers. Highs in the mid 30s to lower 40s. Lows in the mid 20s to lower 30s. | |
| Lo: 26°F |
Moon, Sunrise and Sunset
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Moon Phase: First Quarter Moon | Civil Twilight: 6:24 AM PST |
Sunrise: 6:57 AM PST |
| Sunset: 4:07 PM PST |
Civil Twilight: 4:40 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 35.2 | 39.7 | 44.7 | 52.2 | 59.6 | 67.3 | 76.1 | 77.8 | 68.6 | 56.7 | 41.4 | 34.9 | 54.5 |
| Mean °F | 27.5 | 31.1 | 35.4 | 41.6 | 48.2 | 54.8 | 61.0 | 61.7 | 53.8 | 44.6 | 33.7 | 27.3 | 43.4 |
| Min °F | 19.7 | 22.4 | 26.1 | 31.0 | 36.7 | 42.2 | 45.9 | 45.6 | 39.0 | 32.5 | 25.9 | 19.7 | 32.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.94 | 1.69 | 2.46 | 2.76 | 3.18 | 2.18 | 1.45 | 1.24 | 1.44 | 1.87 | 2.51 | 1.99 | 24.71 |

