Adco Weather Forecast
- 63
- 83
Rain Likely
- 54
- 83
Chance Rain
- 55
- 82
Mostly Sunny
- 57
- 85
Mostly Sunny
- 56
- 87
Mostly Sunny
- 57
- 88
Sunny
Today 15 Aug Upper Columbia Basin
Mostly cloudy. A chance of rain in the morning. Highs in the lower to mid 80s. Southwest wind 5 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 40 percent. Rainfall Amounts less than a tenth of an inch.
Tonight 15 Aug Upper Columbia Basin
Mostly cloudy. A chance of rain. Lows in the upper 50s to mid 60s. Southwest wind 5 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.
Adco Temperature Statistics
August Temperature
Ephrata, Ephrata Municipal Airport (9.9 miles)
Lowest 5 August, 2025
54.6 °FAverage August
77.4 °FHighest 11 August, 2025
100.7 °F
Climate (2020–Present)
Ephrata, Ephrata Municipal Airport (9.9 miles)
Average Low 2020–2025
42.1 °FAverage 2020–2025
53.3 °FAverage High 2020–2025
63.6 °F