Weather in Promise, SD
Promise, Tuesday, 20 October, 14:11
Mostly clear. Feels like 75°. High 75°, low 43°.
Monthly outlook for Promise, SD: average high 59.5°, average low 40.3°. That is 3.4° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 20 October (75.5°), the coolest 27 October (25.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.9° | 55.4° | +1.9° |
| 30 October – 8 November | 60.6° | 49.2° | +6.3° |
| 9 November – 18 November | at normal | 42.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Virginia (6 mi).
0
Promise, Wednesday, 21 October
Partly cloudy. High 64°, low 44°.
0Promise, Thursday, 22 October
Mostly clear. High 73°, low 46°.
0Promise, Friday, 23 October
Partly cloudy. High 75°, low 60°.
0.01
Promise, Saturday, 24 October
Light rain. High 61°, low 43°.
0.18
Promise, Sunday, 25 October
Snow. High 48°, low 36°.
0.05Promise, Monday, 26 October
Light snow. High 45°, low 34°.
0
Promise, Tuesday, 27 October
Clear. High 42°, low 25°.
0Promise, Wednesday, 28 October
Mostly clear. High 54°, low 32°.
0Promise, Thursday, 29 October
Clear. High 51°, low 32°.
0Promise, Friday, 30 October
Mostly clear. High 53°, low 29°.
0Promise, Saturday, 31 October
Clear. High 56°, low 42°.
0Promise, Sunday, 1 November
Clear. High 54°, low 33°.
0
Promise, Monday, 2 November
Overcast. High 70°, low 44°.
0Promise, Tuesday, 3 November
Overcast. High 69°, low 52°.
0Promise, Wednesday, 4 November
Clear. High 63°, low 47°.
0.04Promise, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Promise, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Promise, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Promise, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Promise, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Promise, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Promise, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Promise, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Promise, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Promise, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Promise, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Promise, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Promise, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Promise, 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 Promise, 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 Promise, 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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