Bowmanville Weather Forecast
- 73
- 82
Partly Sunny
- 79
- 94
Partly Sunny
- 74
- 96
Rain Showers Likely
- 72
- 81
Thunderstorms Likely
- 74
- 85
Chance Thunderstorms
- 74
- 84
Mostly Sunny
Today 22 Jul Central Cook
Partly cloudy late in the Morning, then becoming mostly sunny. Highs in the upper 80s Inland, but only in the mid 80s near the lake. Southeast Winds 5 to 10 Mph.
Tonight 22 Jul Central Cook
Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.
Bowmanville Temperature Statistics
July Temperature
Chicago, Chicago-O'Hare International Airport (11.2 miles)
Lowest 17 July, 2025
58.6 °FAverage July
77.5 °FHighest 3 July, 2025
95.6 °F
Climate (2020–Present)
Chicago, Chicago-O'Hare International Airport (11.2 miles)
Average Low 2020–2025
45.4 °FAverage 2020–2025
53.4 °FAverage High 2020–2025
61.7 °F