Weather in Castlewood, SD
Castlewood, Thursday, 29 October, 05:22
Clear. Feels like 34°. High 53°, low 34°.
Monthly outlook for Castlewood, SD: average high 54.3°, average low 41.6°. That is 5.2° above the climate normal for October. Precipitation is expected on 3 days (about 2.2 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 12 November (67.1°), the coolest 6 November (28.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 53° | 47.3° | +3.2° |
| 8 November – 17 November | 56.5° | 40.8° | +8.8° |
| 18 November – 27 November | at normal | 35.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Watertown (14 mi).
0
Castlewood, Friday, 30 October
Clear. High 57°, low 40°.
0.02
Castlewood, Saturday, 31 October
Light rain. High 60°, low 46°.
0
Castlewood, Sunday, 1 November
Overcast. High 63°, low 50°.
1.69Castlewood, Monday, 2 November
Heavy rain. High 59°, low 54°.
0.36Castlewood, Tuesday, 3 November
Rain. High 55°, low 43°.
0.03Castlewood, Wednesday, 4 November
Light rain. High 47°, low 37°.
0
Castlewood, Thursday, 5 November
Partly cloudy. High 42°, low 34°.
0
Castlewood, Friday, 6 November
Mostly clear. High 45°, low 28°.
0Castlewood, Saturday, 7 November
Overcast. High 49°, low 35°.
0.15Castlewood, Sunday, 8 November
Light rain. High 43°, low 41°.
0Castlewood, Monday, 9 November
Overcast. High 46°, low 40°.
0Castlewood, Tuesday, 10 November
Overcast. High 55°, low 40°.
0Castlewood, Wednesday, 11 November
Mostly clear. High 64°, low 46°.
0Castlewood, Thursday, 12 November
Clear. High 67°, low 49°.
0Castlewood, Friday, 13 November
Overcast. High 64°, low 49°.
0.02Castlewood, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Castlewood, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Castlewood, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Castlewood, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Castlewood, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Castlewood, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04Castlewood, Friday, 20 November
Climate normal for this date — 60-year average.
0.03Castlewood, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Castlewood, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Castlewood, Monday, 23 November
Climate normal for this date — 60-year average.
0.03Castlewood, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Castlewood, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.04Castlewood, Thursday, 26 November
Climate normal for this date — 60-year average.
0.05Castlewood, Friday, 27 November
Climate normal for this date — 60-year average.
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 Castlewood, 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 Castlewood, 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.
Sun and moon today
Weather history
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