Castle Rock Weather Forecast
- 31
- 45
Rain/Snow
- 37
- 51
Rain Showers
- 39
- 59
Rain Showers
- 41
- 67
Chance Thunderstorms
- 44
- 67
Chance Thunderstorms
- 47
- 74
Partly Sunny
Today 18 May Elbert/Central and East Douglas Counties Above 6000 Feet
Rain Showers. Chance of Thunderstorms early in the Afternoon, then snow Showers and slight chance of Thunderstorms late in the afternoon. No snow accumulation. Highs 42 to 48. North Winds 10 to 20 Mph with Gusts up to 30 Mph.
Tonight 18 May Elbert/Central and East Douglas Counties Above 6000 Feet
Cloudy. Patchy fog through the night. Chance of rain Showers in the evening. Chance of snow Showers through the night. Lows near 30. North Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.
Castle Rock Temperature Statistics
May Temperature
Denver - Centennial Airport (12.4 miles)
Lowest 6 May, 2026
29.6 °FAverage May
57.4 °FHighest 13 May, 2026
85.6 °F
Climate (2021–Present)
Denver - Centennial Airport (12.4 miles)
Average Low 2021–2026
39.4 °FAverage 2021–2026
52.6 °FAverage High 2021–2026
65.9 °F