Bethany Lake Weather Forecast
- 57
- 98
Hot
- 59
- 91
Sunny
- 55
- 88
Mostly Sunny
- 59
- 82
Mostly Sunny
- 57
- 79
Partly Sunny
- 56
- 80
Partly Sunny
- 57
- 84
Partly Sunny
Today 16 Jul Tualatin Valley
Sunny. Highs in the upper 90s. Winds light.
Tonight 16 Jul Tualatin Valley
Clear. Lows in the mid 50s. Winds light.
Bethany Lake Temperature Statistics
July Temperature
Portland-Hillsboro Airport (3.7 miles)
Lowest 5 July, 2025
46.7 °FAverage July
70.3 °FHighest 13 July, 2025
96.1 °F
Climate (2020–Present)
Portland-Hillsboro Airport (3.7 miles)
Average Low 2020–2025
43.1 °FAverage 2020–2025
53.5 °FAverage High 2020–2025
64.3 °F