Minam State Park Weather Forecast
- 56
- 74
Rain Showers Likely
- 57
- 79
Slight Chance Thunderstorms
- 57
- 82
Mostly Sunny
- 56
- 84
Sunny
- 57
- 83
Sunny
- 60
- 86
Sunny
Today 16 Aug Northern Blue Mountains of Oregon
Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid to upper 60s, except in the 70s Valleys. Chance of precipitation 50 percent. Rainfall Amounts less than a quarter of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 16 Aug Northern Blue Mountains of Oregon
Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the lower to mid 50s. Chance of precipitation 20 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Minam State Park Temperature Statistics
August Temperature
La Grande/Union County Airport (36.7 miles)
Lowest 5 August, 2025
42.7 °FAverage August
69.3 °FHighest 11 August, 2025
97 °F
Climate (2020–Present)
La Grande/Union County Airport (36.7 miles)
Average Low 2020–2025
37.8 °FAverage 2020–2025
50.1 °FAverage High 2020–2025
62.3 °F