McKay Reservoir Weather Forecast
- 42
- 70
Chance Rain Showers
- 45
- 69
Chance Rain Showers
- 41
- 73
Chance Rain Showers
- 45
- 79
Mostly Sunny
- 49
- 84
Mostly Sunny
- 51
- 87
Partly Sunny
Today 5 Sep Foothills of the Northern Blue Mountains of Oregon
Mostly cloudy. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 60s to lower 70s. Light wind. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 5 Sep Foothills of the Northern Blue Mountains of Oregon
Mostly cloudy. Lows in the 40s. Light wind.
McKay Reservoir Temperature Statistics
September Temperature
Eastern Oregon Regional Airport at Pendleton (8.1 miles)
Lowest 3 September, 2026
50 °FAverage September
63.6 °FHighest 1 September, 2026
82.7 °F
Climate (2021–2026)
Eastern Oregon Regional Airport at Pendleton (8.1 miles)
Average Low 2021–2026
43.1 °FAverage 2021–2026
54.3 °FAverage High 2021–2026
65.7 °F