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As of 01:57 MST

Weather in Castle Rock, SD

40°Current weather

Castle Rock, Sunday, 8 November, 01:57

Clear. Feels like 35°. High 69°, low 40°.

Pressure30.12 inHg
Wind6.1 mph SW
Humidity70%
Visibility6.2 mi
Dew point31°
Mon, 0959° / 42°0Overcast
59 °Overcast

Castle Rock, Monday, 9 November

Overcast. High 59°, low 42°.

Pressure30.12 inHg
Wind5.6 mph NW
Humidity36%
Visibility6.2 mi
Dew point29°
Tue, 1061° / 37°0Partly cloudy
61 °Partly cloudy

Castle Rock, Tuesday, 10 November

Partly cloudy. High 61°, low 37°.

Pressure29.94 inHg
Wind20.9 mph NW
Humidity38%
Visibility6.2 mi
Dew point35°
Wed, 1157° / 39°0Clear
57 °Clear

Castle Rock, Wednesday, 11 November

Clear. High 57°, low 39°.

Pressure30.15 inHg
Wind11.7 mph NW
Humidity45%
Visibility6.2 mi
Dew point34°
Thu, 1245° / 34°0Overcast
45 °Overcast

Castle Rock, Thursday, 12 November

Overcast. High 45°, low 34°.

Pressure30.27 inHg
Wind8.7 mph SE
Humidity88%
Visibility—
Dew point35°
Fri, 1353° / 33°0Overcast
53 °Overcast

Castle Rock, Friday, 13 November

Overcast. High 53°, low 33°.

Pressure30.06 inHg
Wind6.6 mph SE
Humidity74%
Visibility—
Dew point34°
Sat, 1466° / 48°0Clear
66 °Clear

Castle Rock, Saturday, 14 November

Clear. High 66°, low 48°.

Pressure29.88 inHg
Wind6.8 mph SE
Humidity21%
Visibility—
Dew point20°
Sun, 1564° / 46°0Partly cloudy
64 °Partly cloudy

Castle Rock, Sunday, 15 November

Partly cloudy. High 64°, low 46°.

Pressure29.83 inHg
Wind9.5 mph SE
Humidity24%
Visibility—
Dew point21°
Mon, 1668° / 46°0Clear
68 °Clear

Castle Rock, Monday, 16 November

Clear. High 68°, low 46°.

Pressure29.65 inHg
Wind22.1 mph NW
Humidity33%
Visibility—
Dew point33°
Tue, 1751° / 40°0Mostly clear
51 °Mostly clear

Castle Rock, Tuesday, 17 November

Mostly clear. High 51°, low 40°.

Pressure30.03 inHg
Wind20 mph W
Humidity39%
Visibility—
Dew point24°
Wed, 1851° / 37°0Overcast
51 °Overcast

Castle Rock, Wednesday, 18 November

Overcast. High 51°, low 37°.

Pressure30.00 inHg
Wind11.7 mph SE
Humidity48%
Visibility—
Dew point27°
Thu, 1952° / 41°0.05Light rain
52 °Light rain

Castle Rock, Thursday, 19 November

Light rain. High 52°, low 41°.

Pressure29.77 inHg
Wind19 mph NW
Humidity85%
Visibility—
Dew point43°
Fri, 2050° / 40°0Overcast
50 °Overcast

Castle Rock, Friday, 20 November

Overcast. High 50°, low 40°.

Pressure30.09 inHg
Wind19.4 mph NW
Humidity57%
Visibility—
Dew point31°
Sat, 2149° / 36°0Partly cloudy
49 °Partly cloudy

Castle Rock, Saturday, 21 November

Partly cloudy. High 49°, low 36°.

Pressure30.15 inHg
Wind16.7 mph SE
Humidity54%
Visibility—
Dew point29°
Sun, 2260° / 38°0Partly cloudy
60 °Partly cloudy

Castle Rock, Sunday, 22 November

Partly cloudy. High 60°, low 38°.

Pressure29.68 inHg
Wind18.1 mph NW
Humidity27%
Visibility—
Dew point18°
Mon, 2354° / 44°0.02Light rain
54 °Light rain

Castle Rock, Monday, 23 November

Light rain. High 54°, low 44°.

Pressure29.91 inHg
Wind20.8 mph NW
Humidity37%
Visibility—
Dew point25°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Castle Rock, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Castle Rock, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.