Weather in De Grey, SD
De Grey, Monday, 19 October, 02:30
Partly cloudy. Feels like 39°. High 71°, low 40°.
Monthly outlook for De Grey, SD: average high 63.2°, average low 44.3°. That is 4.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 22 October (76.2°), the coolest 31 October (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 66.6° | 57.5° | +5° |
| 29 October – 7 November | 57.7° | 50.9° | +3.7° |
| 8 November – 17 November | at normal | 45° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (10 mi).
0
De Grey, Tuesday, 20 October
Clear. High 71°, low 46°.
0De Grey, Wednesday, 21 October
Clear. High 70°, low 49°.
0De Grey, Thursday, 22 October
Clear. High 76°, low 55°.
0
De Grey, Friday, 23 October
Partly cloudy. High 74°, low 61°.
0
De Grey, Saturday, 24 October
Light rain. High 67°, low 50°.
0De Grey, Sunday, 25 October
Clear. High 56°, low 41°.
0
De Grey, Monday, 26 October
Overcast. High 54°, low 40°.
0De Grey, Tuesday, 27 October
Clear. High 56°, low 35°.
0De Grey, Wednesday, 28 October
Overcast. High 71°, low 42°.
0.1De Grey, Thursday, 29 October
Light rain. High 66°, low 52°.
0De Grey, Friday, 30 October
Partly cloudy. High 50°, low 41°.
0De Grey, Saturday, 31 October
Clear. High 53°, low 34°.
0De Grey, Sunday, 1 November
Overcast. High 53°, low 38°.
0
De Grey, Monday, 2 November
Mostly clear. High 67°, low 41°.
0De Grey, Tuesday, 3 November
Overcast. High 57°, low 46°.
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.
0.03De Grey, Tuesday, 17 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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