Junction City Weather Forecast
- 49
- 77
Sunny
- 56
- 79
Partly Sunny
- 56
- 81
Partly Sunny
- 55
- 81
Mostly Sunny
- 56
- 79
Partly Sunny
- 59
- 82
Partly Sunny
Today 26 Aug Marion
Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.
Tonight 26 Aug Marion
Clear. Lows in the upper 40s. Northeast Winds around 5 Mph.
Junction City Temperature Statistics
August Temperature
Centralia Municipal Airport (5 miles)
Lowest 3 August, 2025
56.7 °FAverage August
77.6 °FHighest 16 August, 2025
98.1 °F
Climate (2020–Present)
Centralia Municipal Airport (5 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
57.7 °FAverage High 2020–2025
67.7 °F