Weather in Hermosa, SD
Hermosa, Thursday, 22 October, 17:55
Mostly clear. Feels like 71°. High 77°, low 53°.
Monthly outlook for Hermosa, SD: average high 52.8°, average low 40.2°. That is 0.8° below the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (81.9°), the coolest 27 October (31.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 52.9° | 55.8° | -1.6° |
| 1 November – 10 November | 52.7° | 50.5° | +1.2° |
| 11 November – 20 November | at normal | 46.8° | — |
October records over 66 years
0
Hermosa, Friday, 23 October
Clear. High 82°, low 49°.
0Hermosa, Saturday, 24 October
Clear. High 55°, low 41°.
0.12
Hermosa, Sunday, 25 October
Light rain. High 45°, low 38°.
0.42
Hermosa, Monday, 26 October
Snow. High 37°, low 34°.
0.02Hermosa, Tuesday, 27 October
Light snow. High 53°, low 31°.
0
Hermosa, Wednesday, 28 October
Overcast. High 50°, low 40°.
0Hermosa, Thursday, 29 October
Overcast. High 44°, low 33°.
0.01Hermosa, Friday, 30 October
Light snow. High 43°, low 36°.
0.11Hermosa, Saturday, 31 October
Snow. High 42°, low 37°.
0
Hermosa, Sunday, 1 November
Partly cloudy. High 52°, low 36°.
0Hermosa, Monday, 2 November
Overcast. High 54°, low 36°.
0Hermosa, Tuesday, 3 November
Overcast. High 49°, low 43°.
0Hermosa, Wednesday, 4 November
Overcast. High 47°, low 45°.
0Hermosa, Thursday, 5 November
Overcast. High 55°, low 44°.
0Hermosa, Friday, 6 November
Overcast. High 60°, low 44°.
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.
0.03Hermosa, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Hermosa, Friday, 20 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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