Castle Rock Weather Forecast
- 41
- 60
Rain Showers
- 46
- 65
Mostly Sunny
- 58
- 72
Chance Thunderstorms
- 55
- 74
Slight Chance Rain Showers
- 55
- 76
Mostly Sunny
- 59
- 76
Partly Sunny
- 61
- 77
Chance Rain Showers
Today 6 Sep Dakota
Mostly cloudy. Isolated Thunderstorms early in the Afternoon, then scattered rain Showers and isolated Thunderstorms late in the afternoon. Near steady temperature in the upper 50s. Northwest Winds around 10 Mph. Chance of precipitation 50 percent.
Tonight 6 Sep Dakota
Partly cloudy with scattered rain Showers and isolated Thunderstorms early in the Evening, then clear in the late evening and overnight. Lows in the lower 40s. West Winds up to 10 Mph. Chance of precipitation 50 percent.
Castle Rock Temperature Statistics
September Temperature
Minneapolis, Airlake Airport (6.8 miles)
Lowest 4 September, 2025
42.8 °FAverage September
59.7 °FHighest 1 September, 2025
78.8 °F
Climate (2020–Present)
Minneapolis, Airlake Airport (6.8 miles)
Average Low 2020–2025
36.8 °FAverage 2020–2025
46.8 °FAverage High 2020–2025
56.2 °F