Weather in Green Valley, SD
Green Valley, Friday, 23 October, 06:52
Overcast. Feels like 55°. High 81°, low 55°.
Monthly outlook for Green Valley, SD: average high 52.5°, average low 36.7°. That is 0.9° below the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (81°), the coolest 1 November (28.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 48.9° | 55.4° | -3.6° |
| 2 November – 11 November | 58.7° | 50.2° | +4.7° |
| 12 November – 21 November | at normal | 47° | — |
October records over 66 years
0
Green Valley, Saturday, 24 October
Clear. High 55°, low 37°.
0.05
Green Valley, Sunday, 25 October
Light rain. High 48°, low 39°.
0.22
Green Valley, Monday, 26 October
Snow. High 39°, low 34°.
0.01Green Valley, Tuesday, 27 October
Light rain. High 55°, low 35°.
0Green Valley, Wednesday, 28 October
Overcast. High 49°, low 37°.
0Green Valley, Thursday, 29 October
Overcast. High 40°, low 29°.
0Green Valley, Friday, 30 October
Overcast. High 41°, low 32°.
0.13Green Valley, Saturday, 31 October
Light snow. High 34°, low 31°.
0Green Valley, Sunday, 1 November
Overcast. High 47°, low 28°.
0Green Valley, Monday, 2 November
Clear. High 53°, low 31°.
0Green Valley, Tuesday, 3 November
Clear. High 53°, low 32°.
0Green Valley, Wednesday, 4 November
Clear. High 66°, low 35°.
0Green Valley, Thursday, 5 November
Overcast. High 63°, low 41°.
0Green Valley, Friday, 6 November
Overcast. High 61°, low 46°.
0Green Valley, Saturday, 7 November
Clear. High 56°, low 43°.
0.06
Green Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Green Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Green Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Green Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Green Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Green Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Green Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Green Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Green Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Green Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Green Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Green Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Green Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Green Valley, Saturday, 21 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 Green Valley, 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 Green Valley, 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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