Monmouth Weather Forecast
- 45
- 78
Mostly Sunny
- 48
- 69
Chance Rain Showers
- 39
- 60
Slight Chance Rain Showers
- 41
- 66
Mostly Sunny
- 47
- 76
Mostly Sunny
- 49
- 79
Mostly Sunny
- 46
- 75
Partly Sunny
Today 1 May West Central Willamette Valley
Sunny. Highs in the upper 70s. Winds light.
Tonight 1 May West Central Willamette Valley
Clear. Lows in the mid 40s. Southwest wind 5 to 10 Mph.
Monmouth Temperature Statistics
May Temperature
Salem - McNary Field (11.8 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Salem - McNary Field (11.8 miles)
Average Low 2020–2025
45.7 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
65.3 °F