Weather in Hermosa, SD
Hermosa, Tuesday, 20 October, 00:19
Clear. Feels like 49°. High 77°, low 43°.
Monthly outlook for Hermosa, SD: average high 62.7°, average low 43.2°. That is 4.1° 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 23 October (80.6°), the coolest 27 October (27.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.1° | 57.5° | +2° |
| 30 October – 8 November | 65.5° | 51.6° | +7.7° |
| 9 November – 18 November | at normal | 47.2° | — |
October records over 66 years
0
Hermosa, Wednesday, 21 October
Mostly clear. High 66°, low 46°.
0.03
Hermosa, Thursday, 22 October
Light rain. High 78°, low 52°.
0
Hermosa, Friday, 23 October
Partly cloudy. High 81°, low 57°.
0
Hermosa, Saturday, 24 October
Clear. High 57°, low 45°.
0.04Hermosa, Sunday, 25 October
Light rain. High 47°, low 37°.
0Hermosa, Monday, 26 October
Clear. High 49°, low 35°.
0Hermosa, Tuesday, 27 October
Clear. High 42°, low 28°.
0Hermosa, Wednesday, 28 October
Clear. High 56°, low 30°.
0Hermosa, Thursday, 29 October
Clear. High 57°, low 35°.
0Hermosa, Friday, 30 October
Mostly clear. High 63°, low 41°.
0
Hermosa, Saturday, 31 October
Overcast. High 70°, low 46°.
0Hermosa, Sunday, 1 November
Partly cloudy. High 65°, low 49°.
0Hermosa, Monday, 2 November
Clear. High 68°, low 49°.
0Hermosa, Tuesday, 3 November
Overcast. High 65°, low 45°.
0Hermosa, Wednesday, 4 November
Overcast. High 63°, low 52°.
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.
0.02Hermosa, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Hermosa, Wednesday, 18 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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