Weather in Benchmark, SD
Benchmark, Wednesday, 7 October, 21:07
Overcast. Feels like 49°. High 73°, low 44°.
Monthly outlook for Benchmark, SD: average high 55.8°, average low 35.2°. That is 1.5° below the climate normal for October. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 9 October (78.1°), the coolest 17 October (17.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 58.3° | 58.9° | -0.3° |
| 17 October – 26 October | 51.7° | 56.7° | -2.8° |
| 27 October – 5 November | at normal | 50.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Blackhawk (13 mi).
0Benchmark, Thursday, 8 October
Overcast. High 71°, low 41°.
0
Benchmark, Friday, 9 October
Mostly clear. High 78°, low 45°.
0
Benchmark, Saturday, 10 October
Light rain. High 77°, low 55°.
0.18Benchmark, Sunday, 11 October
Light rain. High 49°, low 33°.
0.22
Benchmark, Monday, 12 October
Snow. High 37°, low 30°.
0
Benchmark, Tuesday, 13 October
Clear. High 58°, low 27°.
0Benchmark, Wednesday, 14 October
Overcast. High 64°, low 46°.
0.76Benchmark, Thursday, 15 October
Snow. High 47°, low 25°.
0.06Benchmark, Friday, 16 October
Light snow. High 28°, low 23°.
0Benchmark, Saturday, 17 October
Clear. High 41°, low 17°.
0
Benchmark, Sunday, 18 October
Partly cloudy. High 56°, low 30°.
0Benchmark, Monday, 19 October
Clear. High 49°, low 35°.
0Benchmark, Tuesday, 20 October
Clear. High 57°, low 33°.
0Benchmark, Wednesday, 21 October
Overcast. High 65°, low 45°.
0.06Benchmark, Thursday, 22 October
Light rain. High 42°, low 32°.
0.04Benchmark, Friday, 23 October
Climate normal for this date — 60-year average.
0.04Benchmark, Saturday, 24 October
Climate normal for this date — 60-year average.
0.02Benchmark, Sunday, 25 October
Climate normal for this date — 60-year average.
0.06Benchmark, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Benchmark, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Benchmark, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.09
Benchmark, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Benchmark, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Benchmark, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Benchmark, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Benchmark, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Benchmark, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Benchmark, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Benchmark, Thursday, 5 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 Benchmark, 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 Benchmark, 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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