Churchill Weather Forecast
- 69
- 80
Mostly Cloudy
- 72
- 87
Slight Chance Thunderstorms
- 74
- 90
Partly Sunny
- 74
- 91
Partly Sunny
- 71
- 91
Slight Chance Thunderstorms
- 70
- 88
Chance Rain Showers
Today 29 Aug Bureau
Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 29 Aug Bureau
Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Warmer with Lows around 70. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.
Churchill Temperature Statistics
August Temperature
Illinois Valley Regional Airport (2.5 miles)
Lowest 23 August, 2026
55.4 °FAverage August
73 °FHighest 10 August, 2026
89.6 °F
Climate (2021–2026)
Illinois Valley Regional Airport (2.5 miles)
Average Low 2021–2026
43.3 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
62.6 °F