Weather in Green Valley, SD
Green Valley, Friday, 23 October, 16:18
Clear. Feels like 79°. High 80°, low 54°.
Monthly outlook for Green Valley, SD: average high 57.2°, average low 41.9°. That is 1.7° above the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (80°), the coolest 27 October (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 55.3° | 55.4° | -0.1° |
| 2 November – 11 November | 60.5° | 50.2° | +5.7° |
| 12 November – 21 November | at normal | 47° | — |
October records over 66 years
0Green Valley, Saturday, 24 October
Clear. High 55°, low 35°.
0.06
Green Valley, Sunday, 25 October
Light rain. High 44°, low 37°.
0.5
Green Valley, Monday, 26 October
Snow. High 38°, low 31°.
0.04Green Valley, Tuesday, 27 October
Light rain. High 43°, low 30°.
0
Green Valley, Wednesday, 28 October
Mostly clear. High 60°, low 32°.
0Green Valley, Thursday, 29 October
Mostly clear. High 52°, low 42°.
0
Green Valley, Friday, 30 October
Overcast. High 66°, low 42°.
0
Green Valley, Saturday, 31 October
Partly cloudy. High 61°, low 48°.
0.07Green Valley, Sunday, 1 November
Light rain. High 52°, low 45°.
1.2Green Valley, Monday, 2 November
Rain. High 49°, low 41°.
0Green Valley, Tuesday, 3 November
Clear. High 52°, low 39°.
0Green Valley, Wednesday, 4 November
Overcast. High 72°, low 45°.
0Green Valley, Thursday, 5 November
Clear. High 70°, low 52°.
0Green Valley, Friday, 6 November
Overcast. High 61°, low 50°.
0Green Valley, Saturday, 7 November
Overcast. High 58°, low 47°.
0.06Green 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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