Forest Park Weather Forecast
- 36
- 48
Rain Showers
- 39
- 52
Slight Chance Rain Showers
- 41
- 57
Mostly Cloudy
- 48
- 61
Rain Likely
- 45
- 58
Rain Likely
- 45
- 58
Chance Rain
Today 15 Apr West Hills and Chehalem Mountains
A chance of Thunderstorms. Rain Showers. Highs in the upper 40s. West wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Tonight 15 Apr West Hills and Chehalem Mountains
Mostly cloudy with rain Showers likely with a slight chance of Thunderstorms in the Evening, then partly cloudy with a slight chance of rain Showers after midnight. Areas of frost after midnight. Lows in the mid 30s. West wind 10 to 15 Mph, becoming light after midnight. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.
Forest Park Temperature Statistics
April Temperature
Portland-Hillsboro Airport (6.8 miles)
Lowest 3 April, 2026
33.7 °FAverage April
54.5 °FHighest 5 April, 2026
79.6 °F
Climate (2021–Present)
Portland-Hillsboro Airport (6.8 miles)
Average Low 2021–2026
43.4 °FAverage 2021–2026
53.9 °FAverage High 2021–2026
64.6 °F