Weather in Summerville, SD
Summerville, Thursday, 22 October, 18:32
Partly cloudy. Feels like 63°. High 76°, low 47°.
Monthly outlook for Summerville, SD: average high 53.6°, average low 38.8°. That is 1.9° above the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 22 October (75.9°), the coolest 29 October (30.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 52.1° | 51.9° | +0.1° |
| 1 November – 10 November | 56° | 45.5° | +5.8° |
| 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).
0.05
Summerville, Friday, 23 October
Light rain. High 76°, low 52°.
0
Summerville, Saturday, 24 October
Clear. High 53°, low 39°.
0.01Summerville, Sunday, 25 October
Light rain. High 48°, low 36°.
0.56
Summerville, Monday, 26 October
Snow. High 40°, low 34°.
0.21Summerville, Tuesday, 27 October
Snow. High 44°, low 34°.
0
Summerville, Wednesday, 28 October
Overcast. High 51°, low 37°.
0.05Summerville, Thursday, 29 October
Light snow. High 39°, low 30°.
0
Summerville, Friday, 30 October
Partly cloudy. High 44°, low 33°.
0Summerville, Saturday, 31 October
Overcast. High 51°, low 35°.
0Summerville, Sunday, 1 November
Clear. High 51°, low 34°.
0Summerville, Monday, 2 November
Overcast. High 55°, low 36°.
0Summerville, Tuesday, 3 November
Overcast. High 54°, low 39°.
0Summerville, Wednesday, 4 November
Overcast. High 57°, low 45°.
0
Summerville, Thursday, 5 November
Mostly clear. High 61°, low 45°.
0Summerville, Friday, 6 November
Overcast. High 57°, low 45°.
0.03Summerville, 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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