Weather in De Grey, SD
De Grey, Monday, 12 October, 21:18
Mostly clear. Feels like 49°. High 57°, low 49°.
Monthly outlook for De Grey, SD: average high 63.3°, average low 46.5°. That is 2.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 21 October (80.7°), the coolest 16 October (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 65.6° | 59.7° | +3.3° |
| 22 October – 31 October | 59.6° | 55.2° | +2.4° |
| 1 November – 10 November | at normal | 49.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (10 mi).
0.02
De Grey, Tuesday, 13 October
Light rain. High 50°, low 43°.
0.02De Grey, Wednesday, 14 October
Light rain. High 56°, low 39°.
0.08De Grey, Thursday, 15 October
Rain. High 60°, low 49°.
0
De Grey, Friday, 16 October
Clear. High 54°, low 39°.
0De Grey, Saturday, 17 October
Clear. High 73°, low 45°.
0
De Grey, Sunday, 18 October
Partly cloudy. High 75°, low 51°.
0De Grey, Monday, 19 October
Clear. High 71°, low 49°.
0
De Grey, Tuesday, 20 October
Mostly clear. High 79°, low 51°.
0.31De Grey, Wednesday, 21 October
Rain. High 81°, low 60°.
0.14De Grey, Thursday, 22 October
Light rain. High 55°, low 46°.
0De Grey, Friday, 23 October
Clear. High 58°, low 42°.
0De Grey, Saturday, 24 October
Partly cloudy. High 52°, low 41°.
0.01De Grey, Sunday, 25 October
Light rain. High 55°, low 40°.
0
De Grey, Monday, 26 October
Overcast. High 68°, low 43°.
0De Grey, Tuesday, 27 October
Clear. High 68°, low 55°.
0.06De Grey, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07De Grey, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05De Grey, Friday, 30 October
Climate normal for this date — 60-year average.
0.04De Grey, Saturday, 31 October
Climate normal for this date — 60-year average.
0.02De Grey, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02De Grey, Monday, 2 November
Climate normal for this date — 60-year average.
0.02De Grey, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01De Grey, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04De Grey, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02De Grey, Friday, 6 November
Climate normal for this date — 60-year average.
0.04De Grey, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07De Grey, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04De Grey, Monday, 9 November
Climate normal for this date — 60-year average.
0.05De Grey, Tuesday, 10 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 De Grey, 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 De Grey, 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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