Cottonwood Lake Weather Forecast
- 64
- 89
Decreasing Clouds
- 64
- 94
Partly Sunny
- 62
- 85
Mostly Sunny
- 67
- 91
Chance Rain Showers
- 64
- 92
Slight Chance Thunderstorms
- 58
- 81
Partly Sunny
Today 15 Jul McHenry
Decreasing Clouds. Highs in the mid 80s. East Winds around 25 Mph with Gusts up to 35 Mph.
Tonight 15 Jul McHenry
Increasing Clouds. Lows in the mid 60s. East Winds 20 to 25 Mph, Diminishing to around 15 Mph after midnight.
Cottonwood Lake Temperature Statistics
July Temperature
Harvey Municipal Airport (34.8 miles)
Lowest 8 July, 2026
51.8 °FAverage July
71.8 °FHighest 12 July, 2026
93.2 °F
Climate (2021–2026)
Harvey Municipal Airport (34.8 miles)
Average Low 2021–2026
30.4 °FAverage 2021–2026
41.2 °FAverage High 2021–2026
51.8 °F