Weather in James, SD
James, Friday, 9 October, 04:02
Partly cloudy. Feels like 46°. High 78°, low 47°.
Monthly outlook for James, SD: average high 63.2°, average low 46.5°. That is 3.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 10 October (88.8°), the coolest 17 October (29.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 61° | 58.2° | +1.6° |
| 19 October – 28 October | 66.7° | 54.6° | +6.8° |
| 29 October – 7 November | at normal | 48.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Groton (6 mi).
0
James, Saturday, 10 October
Clear. High 89°, low 62°.
0
James, Sunday, 11 October
Overcast. High 65°, low 50°.
0.22
James, Monday, 12 October
Light rain. High 54°, low 46°.
0James, Tuesday, 13 October
Overcast. High 54°, low 47°.
0.23James, Wednesday, 14 October
Rain. High 56°, low 45°.
0.69James, Thursday, 15 October
Rain. High 58°, low 44°.
0.04
James, Friday, 16 October
Light snow. High 45°, low 37°.
0
James, Saturday, 17 October
Partly cloudy. High 50°, low 30°.
0James, Sunday, 18 October
Overcast. High 60°, low 38°.
0James, Monday, 19 October
Overcast. High 67°, low 47°.
0James, Tuesday, 20 October
Clear. High 72°, low 53°.
0James, Wednesday, 21 October
Clear. High 66°, low 51°.
0James, Thursday, 22 October
Overcast. High 61°, low 45°.
0.02James, Friday, 23 October
Light rain. High 67°, low 46°.
0.05James, Saturday, 24 October
Light rain. High 67°, low 55°.
0.04
James, Sunday, 25 October
Climate normal for this date — 60-year average.
0.03James, Monday, 26 October
Climate normal for this date — 60-year average.
0.04James, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.03James, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.08James, Thursday, 29 October
Climate normal for this date — 60-year average.
0.07James, Friday, 30 October
Climate normal for this date — 60-year average.
0.06James, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05James, Sunday, 1 November
Climate normal for this date — 60-year average.
0.03James, Monday, 2 November
Climate normal for this date — 60-year average.
0.04James, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02James, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03James, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03James, Friday, 6 November
Climate normal for this date — 60-year average.
0.04James, 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 James, 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 James, 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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