Weather in Rapid City, SD
Rapid City, Friday, 23 October, 02:23
Overcast. Feels like 57°. High 81°, low 53°.
Monthly outlook for Rapid City, SD: average high 53.1°, average low 38.6°. That is 0.6° below the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (80.6°), the coolest 3 November (29.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 50.6° | 55.4° | -2.7° |
| 2 November – 11 November | 57.4° | 50.2° | +4° |
| 12 November – 21 November | at normal | 47° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Green Valley (6 mi).
0
Rapid City, Saturday, 24 October
Clear. High 55°, low 37°.
0.04
Rapid City, Sunday, 25 October
Light rain. High 46°, low 38°.
0.54Rapid City, Monday, 26 October
Rain. High 38°, low 35°.
0.02Rapid City, Tuesday, 27 October
Light rain. High 53°, low 34°.
0.07Rapid City, Wednesday, 28 October
Light rain. High 46°, low 38°.
0Rapid City, Thursday, 29 October
Overcast. High 46°, low 30°.
0.26Rapid City, Friday, 30 October
Rain. High 42°, low 36°.
0
Rapid City, Saturday, 31 October
Partly cloudy. High 50°, low 38°.
0.01Rapid City, Sunday, 1 November
Light rain. High 49°, low 34°.
0Rapid City, Monday, 2 November
Partly cloudy. High 49°, low 35°.
0Rapid City, Tuesday, 3 November
Clear. High 51°, low 29°.
0Rapid City, Wednesday, 4 November
Overcast. High 53°, low 34°.
0Rapid City, Thursday, 5 November
Clear. High 67°, low 45°.
0Rapid City, Friday, 6 November
Clear. High 68°, low 50°.
0Rapid City, Saturday, 7 November
Overcast. High 55°, low 51°.
0.06
Rapid City, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Rapid City, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Rapid City, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Rapid City, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Rapid City, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Rapid City, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Rapid City, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Rapid City, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Rapid City, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Rapid City, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Rapid City, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Rapid City, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Rapid City, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Rapid City, Saturday, 21 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 Rapid City, 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 Rapid City, 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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