Weather in Westport, SD
Westport, Tuesday, 20 October, 07:49
Clear. Feels like 37°. High 70°, low 42°.
Monthly outlook for Westport, SD: average high 57.2°, average low 37.3°. That is 3.2° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 22 October (74.2°), the coolest 28 October (22.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.6° | 53.5° | +2.9° |
| 30 October – 8 November | 54.8° | 47° | +4.3° |
| 9 November – 18 November | at normal | 40.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Frederick (13 mi).
0
Westport, Wednesday, 21 October
Overcast. High 67°, low 44°.
0
Westport, Thursday, 22 October
Clear. High 74°, low 50°.
0.01
Westport, Friday, 23 October
Light rain. High 72°, low 60°.
0
Westport, Saturday, 24 October
Mostly clear. High 66°, low 48°.
0Westport, Sunday, 25 October
Clear. High 54°, low 37°.
0Westport, Monday, 26 October
Overcast. High 46°, low 36°.
0Westport, Tuesday, 27 October
Clear. High 37°, low 25°.
0Westport, Wednesday, 28 October
Overcast. High 49°, low 22°.
0Westport, Thursday, 29 October
Clear. High 52°, low 30°.
0Westport, Friday, 30 October
Mostly clear. High 49°, low 28°.
0Westport, Saturday, 31 October
Clear. High 45°, low 28°.
0Westport, Sunday, 1 November
Overcast. High 52°, low 26°.
0.12Westport, Monday, 2 November
Light rain. High 57°, low 43°.
0Westport, Tuesday, 3 November
Clear. High 60°, low 39°.
0Westport, Wednesday, 4 November
Overcast. High 65°, low 40°.
0.04
Westport, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Westport, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Westport, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Westport, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Westport, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Westport, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Westport, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Westport, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Westport, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Westport, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Westport, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Westport, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Westport, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Westport, 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 Westport, 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 Westport, 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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