Portland Weather Forecast
- 67
- 95
Mostly Sunny
- 68
- 96
Slight Chance Thunderstorms
- 68
- 95
Slight Chance Thunderstorms
- 67
- 94
Slight Chance Thunderstorms
- 66
- 95
Slight Chance Thunderstorms
- 64
- 93
Slight Chance Thunderstorms
- 61
- 88
Chance Rain Showers
Today 12 Sep Callaway
Sunny. Near steady temperature in the mid 90s. South Winds around 5 Mph.
Tonight 12 Sep Callaway
Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.
Portland Temperature Statistics
September Temperature
Jefferson City, Jefferson City Memorial Airport (24.9 miles)
Lowest 7 September, 2025
46 °FAverage September
66.8 °FHighest 3 September, 2025
84.9 °F
Climate (2020–Present)
Jefferson City, Jefferson City Memorial Airport (24.9 miles)
Average Low 2020–2025
48 °FAverage 2020–2025
58.6 °FAverage High 2020–2025
69.5 °F