Weather in Argonne, SD
Argonne, Friday, 9 October, 19:55
Clear. Feels like 68°. High 77°, low 49°.
Monthly outlook for Argonne, SD: average high 65°, average low 47°. That is 3.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 10 October (85.6°), the coolest 17 October (28.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 63° | 59.4° | +2° |
| 19 October – 28 October | 68.3° | 55.7° | +7° |
| 29 October – 7 November | at normal | 49.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Carthage (8 mi).
0
Argonne, Saturday, 10 October
Clear. High 86°, low 63°.
0
Argonne, Sunday, 11 October
Overcast. High 82°, low 60°.
0.52
Argonne, Monday, 12 October
Heavy rain. High 63°, low 54°.
0Argonne, Tuesday, 13 October
Overcast. High 58°, low 48°.
0
Argonne, Wednesday, 14 October
Mostly clear. High 59°, low 46°.
0.23Argonne, Thursday, 15 October
Light rain. High 57°, low 48°.
0Argonne, Friday, 16 October
Overcast. High 46°, low 38°.
0Argonne, Saturday, 17 October
Clear. High 45°, low 28°.
0Argonne, Sunday, 18 October
Overcast. High 58°, low 35°.
0Argonne, Monday, 19 October
Clear. High 65°, low 42°.
0Argonne, Tuesday, 20 October
Clear. High 71°, low 46°.
0Argonne, Wednesday, 21 October
Clear. High 69°, low 52°.
0Argonne, Thursday, 22 October
Clear. High 64°, low 43°.
0Argonne, Friday, 23 October
Clear. High 76°, low 50°.
0.02Argonne, Saturday, 24 October
Light rain. High 64°, low 49°.
0.04Argonne, Sunday, 25 October
Climate normal for this date — 60-year average.
0.02Argonne, Monday, 26 October
Climate normal for this date — 60-year average.
0.07
Argonne, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Argonne, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Argonne, Thursday, 29 October
Climate normal for this date — 60-year average.
0.1
Argonne, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Argonne, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Argonne, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Argonne, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Argonne, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Argonne, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Argonne, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Argonne, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Argonne, Saturday, 7 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 Argonne, 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 Argonne, 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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