Weather in Harney, SD
Harney, Sunday, 18 October, 10:30
Clear. Feels like 58°. High 61°, low 39°.
Monthly outlook for Harney, SD: average high 57.9°, average low 38.9°. That is 0.8° above the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 20 October (73.5°), the coolest 30 October (24.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 62.1° | 58.5° | +2° |
| 28 October – 6 November | 50.9° | 52.5° | -0.9° |
| 7 November – 16 November | at normal | 48.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hermosa (10 mi).
0Harney, Monday, 19 October
Clear. High 59°, low 38°.
0Harney, Tuesday, 20 October
Clear. High 73°, low 39°.
0Harney, Wednesday, 21 October
Clear. High 61°, low 46°.
0
Harney, Thursday, 22 October
Partly cloudy. High 69°, low 49°.
0Harney, Friday, 23 October
Partly cloudy. High 71°, low 55°.
0.16
Harney, Saturday, 24 October
Light rain. High 52°, low 36°.
0Harney, Sunday, 25 October
Clear. High 63°, low 35°.
0
Harney, Monday, 26 October
Overcast. High 56°, low 45°.
0.51Harney, Tuesday, 27 October
Rain. High 55°, low 46°.
0Harney, Wednesday, 28 October
Clear. High 57°, low 41°.
0Harney, Thursday, 29 October
Overcast. High 55°, low 36°.
0.23
Harney, Friday, 30 October
Snow. High 40°, low 24°.
0Harney, Saturday, 31 October
Overcast. High 40°, low 24°.
0
Harney, Sunday, 1 November
Mostly clear. High 55°, low 27°.
0Harney, Monday, 2 November
Overcast. High 59°, low 43°.
0.04Harney, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Harney, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Harney, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Harney, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Harney, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Harney, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Harney, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Harney, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Harney, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Harney, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Harney, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Harney, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Harney, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Harney, Monday, 16 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 Harney, 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 Harney, 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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