Weather in Summerville, SD
Summerville, Thursday, 22 October, 12:28
Partly cloudy. Feels like 69°. High 72°, low 47°.
Monthly outlook for Summerville, SD: average high 59.1°, average low 39.8°. That is 5° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 23 October (75.6°), the coolest 29 October (28.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 54.8° | 51.9° | +1.6° |
| 1 November – 10 November | 66.2° | 45.5° | +11.5° |
| 11 November – 20 November | at normal | 40.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lemmon (11 mi).
0
Summerville, Friday, 23 October
Overcast. High 76°, low 54°.
0
Summerville, Saturday, 24 October
Clear. High 55°, low 38°.
0.03
Summerville, Sunday, 25 October
Light rain. High 47°, low 36°.
0.28
Summerville, Monday, 26 October
Snow. High 39°, low 33°.
0.13Summerville, Tuesday, 27 October
Snow. High 42°, low 33°.
0Summerville, Wednesday, 28 October
Clear. High 51°, low 34°.
0Summerville, Thursday, 29 October
Clear. High 47°, low 29°.
0Summerville, Friday, 30 October
Partly cloudy. High 56°, low 33°.
0Summerville, Saturday, 31 October
Overcast. High 64°, low 40°.
0Summerville, Sunday, 1 November
Partly cloudy. High 58°, low 38°.
0Summerville, Monday, 2 November
Overcast. High 63°, low 42°.
0Summerville, Tuesday, 3 November
Clear. High 62°, low 40°.
0Summerville, Wednesday, 4 November
Clear. High 69°, low 43°.
0Summerville, Thursday, 5 November
Clear. High 73°, low 48°.
0Summerville, Friday, 6 November
Clear. High 72°, low 49°.
0.03
Summerville, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Summerville, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Summerville, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Summerville, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Summerville, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Summerville, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Summerville, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Summerville, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Summerville, Sunday, 15 November
Climate normal for this date — 60-year average.
0.01Summerville, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Summerville, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Summerville, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Summerville, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Summerville, Friday, 20 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 Summerville, 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 Summerville, 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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