Weather in De Grey, SD
De Grey, Sunday, 18 October, 01:52
Partly cloudy. Feels like 48°. High 71°, low 43°.
Monthly outlook for De Grey, SD: average high 68.1°, average low 47.7°. That is 6.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (78.6°), the coolest 25 October (38°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 68.2° | 57.9° | +5.7° |
| 28 October – 6 November | 68° | 51.4° | +9.2° |
| 7 November – 16 November | at normal | 45.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (10 mi).
0
De Grey, Monday, 19 October
Clear. High 64°, low 45°.
0De Grey, Tuesday, 20 October
Clear. High 69°, low 49°.
0De Grey, Wednesday, 21 October
Clear. High 69°, low 51°.
0
De Grey, Thursday, 22 October
Overcast. High 72°, low 53°.
0.2
De Grey, Friday, 23 October
Light rain. High 79°, low 60°.
0.24De Grey, Saturday, 24 October
Rain. High 65°, low 43°.
0De Grey, Sunday, 25 October
Clear. High 56°, low 38°.
0De Grey, Monday, 26 October
Clear. High 67°, low 43°.
0De Grey, Tuesday, 27 October
Overcast. High 70°, low 48°.
0De Grey, Wednesday, 28 October
Overcast. High 74°, low 52°.
0
De Grey, Thursday, 29 October
Partly cloudy. High 64°, low 51°.
0De Grey, Friday, 30 October
Clear. High 71°, low 47°.
0De Grey, Saturday, 31 October
Clear. High 66°, low 48°.
0De Grey, Sunday, 1 November
Clear. High 70°, low 43°.
0De Grey, Monday, 2 November
Clear. High 63°, low 50°.
0.02
De 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.
0.02De Grey, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05De Grey, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03De Grey, Friday, 13 November
Climate normal for this date — 60-year average.
0.02De Grey, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02De Grey, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03De Grey, Monday, 16 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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