Weather in Summerville, SD
Summerville, Friday, 23 October, 06:00
Clear. Feels like 54°. High 80°, low 55°.
Monthly outlook for Summerville, SD: average high 51.6°, average low 37°. That is 1.1° 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 (79.7°), the coolest 29 October (28.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 48.8° | 51.2° | -1.4° |
| 2 November – 11 November | 56.2° | 44.6° | +6.5° |
| 12 November – 21 November | at normal | 40.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lemmon (11 mi).
0
Summerville, Saturday, 24 October
Clear. High 53°, low 39°.
0
Summerville, Sunday, 25 October
Light rain. High 49°, low 37°.
0.03
Summerville, Monday, 26 October
Snow. High 45°, low 37°.
0.06Summerville, Tuesday, 27 October
Light rain. High 43°, low 34°.
0.34Summerville, Wednesday, 28 October
Rain. High 44°, low 37°.
0
Summerville, Thursday, 29 October
Overcast. High 40°, low 29°.
0Summerville, Friday, 30 October
Overcast. High 43°, low 32°.
0Summerville, Saturday, 31 October
Overcast. High 41°, low 31°.
0Summerville, Sunday, 1 November
Overcast. High 50°, low 31°.
0Summerville, Monday, 2 November
Clear. High 53°, low 33°.
0Summerville, Tuesday, 3 November
Clear. High 55°, low 33°.
0Summerville, Wednesday, 4 November
Clear. High 60°, low 36°.
0
Summerville, Thursday, 5 November
Partly cloudy. High 62°, low 41°.
0Summerville, Friday, 6 November
Overcast. High 59°, low 45°.
0Summerville, Saturday, 7 November
Overcast. High 50°, low 42°.
0.03Summerville, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04
Summerville, 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.
0.01Summerville, 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 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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