Waterloo Weather Forecast
- 68
- 88
Mostly Sunny
- 69
- 90
Partly Sunny
- 70
- 88
Chance Rain Showers
- 67
- 87
Rain Showers Likely
- 65
- 84
Chance Thunderstorms
- 66
- 85
Chance Rain Showers
- 68
- 85
Chance Thunderstorms
Today 9 Aug De Kalb
Mostly sunny. Near steady temperature in the upper 80s. South Winds around 10 Mph.
Tonight 9 Aug De Kalb
Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph.
Waterloo Temperature Statistics
August Temperature
Auburn De Kalb County Airport (8.7 miles)
Lowest 3 August, 2025
53.6 °FAverage August
69.4 °FHighest 6 August, 2025
86 °F
Climate (2020–Present)
Auburn De Kalb County Airport (8.7 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
51.2 °FAverage High 2020–2025
60.5 °F