Weather in De Grey, SD
De Grey, Wednesday, 21 October, 07:04
Clear. Feels like 45°. High 73°, low 48°.
Monthly outlook for De Grey, SD: average high 58.6°, average low 44.7°. That is 2.6° above the climate normal for October. Precipitation is expected on 7 days (about 1.3 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 23 October (77.8°), the coolest 27 October (33°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 59.1° | 55.9° | +1.8° |
| 31 October – 9 November | 57.7° | 49.9° | +4.4° |
| 10 November – 19 November | at normal | 44.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (10 mi).
0
De Grey, Thursday, 22 October
Mostly clear. High 77°, low 50°.
0
De Grey, Friday, 23 October
Overcast. High 78°, low 61°.
0.06
De Grey, Saturday, 24 October
Light rain. High 69°, low 52°.
0.12De Grey, Sunday, 25 October
Light rain. High 48°, low 43°.
0.19De Grey, Monday, 26 October
Light rain. High 44°, low 40°.
0De Grey, Tuesday, 27 October
Mostly clear. High 49°, low 33°.
0.06De Grey, Wednesday, 28 October
Light rain. High 46°, low 42°.
0
De Grey, Thursday, 29 October
Clear. High 51°, low 35°.
0De Grey, Friday, 30 October
Clear. High 57°, low 37°.
0De Grey, Saturday, 31 October
Overcast. High 56°, low 46°.
0De Grey, Sunday, 1 November
Overcast. High 60°, low 43°.
0De Grey, Monday, 2 November
Overcast. High 70°, low 46°.
0.59De Grey, Tuesday, 3 November
Rain. High 57°, low 52°.
0.24De Grey, Wednesday, 4 November
Light rain. High 55°, low 50°.
0.04
De Grey, Thursday, 5 November
Snow. High 48°, low 37°.
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.
0.04
De 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.
0.03De Grey, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04De Grey, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03De Grey, Thursday, 19 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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