Weather in Hermosa, SD
Hermosa, Sunday, 18 October, 05:48
Clear. Feels like 52°. High 69°, low 39°.
Monthly outlook for Hermosa, SD: average high 67.6°, average low 45.9°. That is 6.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 20 October (76.7°), the coolest 25 October (38.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 67.2° | 58.5° | +4.8° |
| 28 October – 6 November | 68.3° | 52.5° | +8.8° |
| 7 November – 16 November | at normal | 48.1° | — |
October records over 66 years
0
Hermosa, Monday, 19 October
Clear. High 64°, low 39°.
0Hermosa, Tuesday, 20 October
Clear. High 77°, low 46°.
0Hermosa, Wednesday, 21 October
Clear. High 67°, low 49°.
0
Hermosa, Thursday, 22 October
Partly cloudy. High 73°, low 50°.
0.09
Hermosa, Friday, 23 October
Light rain. High 75°, low 54°.
0.09Hermosa, Saturday, 24 October
Light rain. High 52°, low 41°.
0Hermosa, Sunday, 25 October
Partly cloudy. High 62°, low 38°.
0Hermosa, Monday, 26 October
Clear. High 63°, low 47°.
0
Hermosa, Tuesday, 27 October
Mostly clear. High 70°, low 42°.
0Hermosa, Wednesday, 28 October
Clear. High 65°, low 45°.
0Hermosa, Thursday, 29 October
Partly cloudy. High 68°, low 47°.
0
Hermosa, Friday, 30 October
Overcast. High 68°, low 51°.
0Hermosa, Saturday, 31 October
Overcast. High 72°, low 51°.
0Hermosa, Sunday, 1 November
Clear. High 66°, low 47°.
0Hermosa, Monday, 2 November
Mostly clear. High 71°, low 48°.
0.04Hermosa, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Hermosa, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Hermosa, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Hermosa, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Hermosa, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Hermosa, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Hermosa, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Hermosa, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Hermosa, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Hermosa, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Hermosa, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Hermosa, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Hermosa, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Hermosa, 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 Hermosa, 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 Hermosa, 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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