Weather in Delmont, SD
Delmont, Thursday, 15 October, 20:35
Overcast. Feels like 40°. High 53°, low 46°.
Monthly outlook for Delmont, SD: average high 59.8°, average low 44.7°. That is 1.1° above the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 22 October (78.9°), the coolest 26 October (35.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 65.2° | 59.2° | +3.4° |
| 25 October – 3 November | 50.7° | 53.9° | -1.8° |
| 4 November – 13 November | at normal | 48.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tripp (10 mi).
0.01
Delmont, Friday, 16 October
Light rain. High 51°, low 39°.
0
Delmont, Saturday, 17 October
Clear. High 64°, low 39°.
0Delmont, Sunday, 18 October
Clear. High 67°, low 47°.
0
Delmont, Monday, 19 October
Partly cloudy. High 64°, low 50°.
0Delmont, Tuesday, 20 October
Clear. High 67°, low 49°.
0
Delmont, Wednesday, 21 October
Mostly clear. High 73°, low 55°.
0Delmont, Thursday, 22 October
Overcast. High 79°, low 59°.
0.07Delmont, Friday, 23 October
Light rain. High 72°, low 61°.
0Delmont, Saturday, 24 October
Light rain. High 62°, low 43°.
0Delmont, Sunday, 25 October
Overcast. High 54°, low 38°.
0.55
Delmont, Monday, 26 October
Snow. High 46°, low 36°.
0.04Delmont, Tuesday, 27 October
Light rain. High 42°, low 38°.
0.06Delmont, Wednesday, 28 October
Light rain. High 45°, low 37°.
0Delmont, Thursday, 29 October
Overcast. High 58°, low 37°.
0Delmont, Friday, 30 October
Overcast. High 59°, low 42°.
0.06Delmont, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Delmont, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Delmont, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Delmont, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Delmont, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Delmont, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Delmont, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Delmont, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Delmont, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Delmont, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Delmont, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Delmont, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Delmont, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Delmont, Friday, 13 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 Delmont, 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 Delmont, 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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