Weather in Green Valley, SD
Green Valley, Monday, 19 October, 01:20
Mostly clear. Feels like 46°. High 65°, low 39°.
Monthly outlook for Green Valley, SD: average high 63.3°, average low 42.1°. That is 3.9° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 22 October (78.7°), the coolest 31 October (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 67.5° | 58.5° | +5° |
| 29 October – 7 November | 56.2° | 52.5° | +2.1° |
| 8 November – 17 November | at normal | 47.8° | — |
October records over 66 years
0
Green Valley, Tuesday, 20 October
Clear. High 74°, low 40°.
0Green Valley, Wednesday, 21 October
Clear. High 67°, low 47°.
0
Green Valley, Thursday, 22 October
Partly cloudy. High 79°, low 54°.
0
Green Valley, Friday, 23 October
Overcast. High 78°, low 57°.
0.04
Green Valley, Saturday, 24 October
Light rain. High 64°, low 43°.
0
Green Valley, Sunday, 25 October
Mostly clear. High 53°, low 34°.
0Green Valley, Monday, 26 October
Mostly clear. High 55°, low 37°.
0Green Valley, Tuesday, 27 October
Clear. High 63°, low 37°.
0Green Valley, Wednesday, 28 October
Overcast. High 77°, low 45°.
0Green Valley, Thursday, 29 October
Overcast. High 67°, low 46°.
0Green Valley, Friday, 30 October
Overcast. High 47°, low 36°.
0Green Valley, Saturday, 31 October
Overcast. High 54°, low 32°.
0Green Valley, Sunday, 1 November
Overcast. High 55°, low 38°.
0Green Valley, Monday, 2 November
Overcast. High 64°, low 42°.
0Green Valley, Tuesday, 3 November
Overcast. High 50°, low 45°.
0.01Green Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Green Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Green Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Green Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
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.
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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