Weather in Vivian, SD
Vivian, Sunday, 18 October, 07:02
Clear. Feels like 42°. High 69°, low 44°.
Monthly outlook for Vivian, SD: average high 66.9°, average low 47.8°. That is 5.6° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (74.7°), the coolest 25 October (39.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 66.8° | 59° | +4.3° |
| 28 October – 6 November | 67.2° | 52.6° | +8.1° |
| 7 November – 16 November | at normal | 47.3° | — |
October records over 66 years
0
Vivian, Monday, 19 October
Clear. High 62°, low 43°.
0Vivian, Tuesday, 20 October
Clear. High 70°, low 46°.
0Vivian, Wednesday, 21 October
Clear. High 68°, low 51°.
0
Vivian, Thursday, 22 October
Partly cloudy. High 74°, low 50°.
0.03
Vivian, Friday, 23 October
Light rain. High 75°, low 61°.
0.24Vivian, Saturday, 24 October
Rain. High 56°, low 45°.
0
Vivian, Sunday, 25 October
Overcast. High 61°, low 40°.
0Vivian, Monday, 26 October
Clear. High 66°, low 46°.
0Vivian, Tuesday, 27 October
Partly cloudy. High 66°, low 42°.
0Vivian, Wednesday, 28 October
Clear. High 66°, low 46°.
0Vivian, Thursday, 29 October
Partly cloudy. High 63°, low 47°.
0Vivian, Friday, 30 October
Overcast. High 64°, low 50°.
0Vivian, Saturday, 31 October
Overcast. High 71°, low 51°.
0
Vivian, Sunday, 1 November
Mostly clear. High 68°, low 55°.
0Vivian, Monday, 2 November
Overcast. High 72°, low 46°.
0.04Vivian, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Vivian, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Vivian, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Vivian, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Vivian, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Vivian, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Vivian, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Vivian, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Vivian, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Vivian, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Vivian, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Vivian, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Vivian, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Vivian, 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 Vivian, 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 Vivian, 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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