Weather in Hermosa, SD
Hermosa, Friday, 16 October, 06:19
Clear. Feels like 29°. High 60°, low 33°.
Monthly outlook for Hermosa, SD: average high 61.1°, average low 41.9°. That is 2° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 22 October (79.5°), the coolest 30 October (29.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 64.8° | 59.2° | +3.1° |
| 26 October – 4 November | 54.8° | 53.5° | +0.8° |
| 5 November – 14 November | at normal | 48.7° | — |
October records over 66 years
0
Hermosa, Saturday, 17 October
Clear. High 73°, low 44°.
0Hermosa, Sunday, 18 October
Clear. High 66°, low 47°.
0Hermosa, Monday, 19 October
Clear. High 62°, low 41°.
0Hermosa, Tuesday, 20 October
Clear. High 71°, low 45°.
0Hermosa, Wednesday, 21 October
Clear. High 66°, low 53°.
0
Hermosa, Thursday, 22 October
Partly cloudy. High 79°, low 50°.
0.13
Hermosa, Friday, 23 October
Light rain. High 68°, low 58°.
0.16Hermosa, Saturday, 24 October
Light rain. High 57°, low 40°.
0
Hermosa, Sunday, 25 October
Overcast. High 45°, low 38°.
0
Hermosa, Monday, 26 October
Mostly clear. High 48°, low 32°.
0Hermosa, Tuesday, 27 October
Overcast. High 57°, low 42°.
0Hermosa, Wednesday, 28 October
Overcast. High 53°, low 41°.
0Hermosa, Thursday, 29 October
Partly cloudy. High 50°, low 33°.
0Hermosa, Friday, 30 October
Partly cloudy. High 55°, low 30°.
0Hermosa, Saturday, 31 October
Overcast. High 66°, low 44°.
0.05Hermosa, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Hermosa, Monday, 2 November
Climate normal for this date — 60-year average.
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.
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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