Weather in Chelsea, SD
Chelsea, Tuesday, 27 October, 06:42
Overcast. Feels like 35°. High 52°, low 38°.
Monthly outlook for Chelsea, SD: average high 56.1°, average low 41°. That is 4.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 1 November (62.1°), the coolest 6 November (30.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 57° | 50.1° | +3.9° |
| 6 November – 15 November | 54.4° | 43.5° | +6.1° |
| 16 November – 25 November | at normal | 38.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cresbard (10 mi).
0.07
Chelsea, Wednesday, 28 October
Rain. High 58°, low 39°.
0
Chelsea, Thursday, 29 October
Mostly clear. High 56°, low 34°.
0
Chelsea, Friday, 30 October
Clear. High 58°, low 40°.
0Chelsea, Saturday, 31 October
Overcast. High 60°, low 44°.
0Chelsea, Sunday, 1 November
Overcast. High 62°, low 49°.
0Chelsea, Monday, 2 November
Overcast. High 56°, low 48°.
0Chelsea, Tuesday, 3 November
Overcast. High 56°, low 48°.
0Chelsea, Wednesday, 4 November
Clear. High 60°, low 42°.
0Chelsea, Thursday, 5 November
Overcast. High 52°, low 39°.
0
Chelsea, Friday, 6 November
Partly cloudy. High 47°, low 31°.
0Chelsea, Saturday, 7 November
Overcast. High 59°, low 40°.
0Chelsea, Sunday, 8 November
Clear. High 56°, low 40°.
0Chelsea, Monday, 9 November
Clear. High 60°, low 42°.
0Chelsea, Tuesday, 10 November
Overcast. High 53°, low 43°.
0Chelsea, Wednesday, 11 November
Overcast. High 51°, low 38°.
0.05Chelsea, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Chelsea, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Chelsea, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Chelsea, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Chelsea, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Chelsea, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Chelsea, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Chelsea, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Chelsea, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Chelsea, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02Chelsea, Sunday, 22 November
Climate normal for this date — 60-year average.
0.02Chelsea, Monday, 23 November
Climate normal for this date — 60-year average.
0.02Chelsea, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Chelsea, Wednesday, 25 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 Chelsea, 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 Chelsea, 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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