Weather in Rapid City, SD
Rapid City, Tuesday, 27 October, 05:17
Fog. Feels like 22°. High 59°, low 34°.
Monthly outlook for Rapid City, SD: average high 57.6°, average low 41°. That is 3.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 31 October (66°), the coolest 27 October (33.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 57.7° | 53.2° | +2.5° |
| 6 November – 15 November | 57.5° | 48.5° | +5° |
| 16 November – 25 November | at normal | 45.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Green Valley (6 mi).
0.13
Rapid City, Wednesday, 28 October
Rain. High 58°, low 38°.
0
Rapid City, Thursday, 29 October
Mostly clear. High 58°, low 38°.
0
Rapid City, Friday, 30 October
Partly cloudy. High 54°, low 38°.
0
Rapid City, Saturday, 31 October
Overcast. High 66°, low 49°.
0Rapid City, Sunday, 1 November
Overcast. High 61°, low 49°.
0.23Rapid City, Monday, 2 November
Rain. High 52°, low 44°.
0Rapid City, Tuesday, 3 November
Overcast. High 53°, low 42°.
0
Rapid City, Wednesday, 4 November
Clear. High 59°, low 40°.
0Rapid City, Thursday, 5 November
Overcast. High 57°, low 42°.
0Rapid City, Friday, 6 November
Overcast. High 53°, low 41°.
0Rapid City, Saturday, 7 November
Clear. High 65°, low 42°.
0Rapid City, Sunday, 8 November
Clear. High 59°, low 37°.
0.03Rapid City, Monday, 9 November
Light rain. High 60°, low 42°.
0.6Rapid City, Tuesday, 10 November
Rain. High 54°, low 40°.
0Rapid City, Wednesday, 11 November
Light rain. High 54°, low 39°.
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.
0.02Rapid City, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02Rapid City, Monday, 23 November
Climate normal for this date — 60-year average.
0.02Rapid City, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.02Rapid City, Wednesday, 25 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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