Somonauk Weather Forecast
- 68
- 83
Severe Tstms
- 67
- 80
Rain Showers Likely
- 68
- 82
Rain Showers Likely
- 71
- 85
Chance Thunderstorms
- 65
- 84
Slight Chance Thunderstorms
- 61
- 79
Partly Sunny
Today 12 Aug De Kalb
Mostly cloudy. Areas of fog early in the morning. A slight chance of Showers and Thunderstorms early in the Morning, then Showers and Thunderstorms likely late in the morning. A chance of Showers and Thunderstorms early in the afternoon. Some Thunderstorms may be severe late in the morning. Locally heavy rainfall possible late in the morning. Humid. Highs in the lower 80s. Northeast Winds 5 to 10 Mph, becoming west in the afternoon. Chance of precipitation 70 percent.
Tonight 12 Aug De Kalb
Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of precipitation 20 percent.
Somonauk Temperature Statistics
August Temperature
Aurora Municipal Airport (13.7 miles)
Lowest 3 August, 2026
56.6 °FAverage August
71.9 °FHighest 7 August, 2026
85.6 °F
Climate (2021–2026)
Aurora Municipal Airport (13.7 miles)
Average Low 2021–2026
40.6 °FAverage 2021–2026
51.3 °FAverage High 2021–2026
61.8 °F