Weather in De Grey, SD
De Grey, Tuesday, 20 October, 16:31
Clear. Feels like 72°. High 73°, low 44°.
Monthly outlook for De Grey, SD: average high 59.4°, average low 42.5°. That is 2.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.3 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 23 October (75.7°), the coolest 28 October (31.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 59.7° | 56.8° | +1.6° |
| 30 October – 8 November | 58.8° | 50.5° | +4.6° |
| 9 November – 18 November | at normal | 44.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (10 mi).
0
De Grey, Wednesday, 21 October
Overcast. High 68°, low 47°.
0
De Grey, Thursday, 22 October
Mostly clear. High 75°, low 48°.
0De Grey, Friday, 23 October
Overcast. High 76°, low 60°.
0.07
De Grey, Saturday, 24 October
Light rain. High 67°, low 51°.
0.2De Grey, Sunday, 25 October
Rain. High 51°, low 44°.
0.04
De Grey, Monday, 26 October
Snow. High 44°, low 39°.
0De Grey, Tuesday, 27 October
Overcast. High 44°, low 35°.
0
De Grey, Wednesday, 28 October
Partly cloudy. High 51°, low 32°.
0De Grey, Thursday, 29 October
Overcast. High 47°, low 32°.
0De Grey, Friday, 30 October
Overcast. High 66°, low 39°.
0De Grey, Saturday, 31 October
Partly cloudy. High 61°, low 46°.
0De Grey, Sunday, 1 November
Overcast. High 61°, low 46°.
0De Grey, Monday, 2 November
Clear. High 52°, low 37°.
0De Grey, Tuesday, 3 November
Overcast. High 62°, low 41°.
0De Grey, Wednesday, 4 November
Overcast. High 52°, low 40°.
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.
0.04De Grey, Wednesday, 18 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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