Weather in Westport, SD
Westport, Wednesday, 21 October, 17:46
Overcast. Feels like 61°. High 66°, low 43°.
Monthly outlook for Westport, SD: average high 58.1°, average low 40.7°. That is 4.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 22 October (76.5°), the coolest 29 October (27.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.4° | 52.7° | +2.6° |
| 31 October – 9 November | 59.2° | 46.3° | +7.2° |
| 10 November – 19 November | at normal | 39.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Frederick (13 mi).
0Westport, Thursday, 22 October
Overcast. High 76°, low 41°.
0Westport, Friday, 23 October
Overcast. High 74°, low 54°.
0Westport, Saturday, 24 October
Overcast. High 68°, low 46°.
0.11
Westport, Sunday, 25 October
Light rain. High 44°, low 40°.
0.09Westport, Monday, 26 October
Light rain. High 41°, low 38°.
0Westport, Tuesday, 27 October
Overcast. High 49°, low 35°.
0Westport, Wednesday, 28 October
Light rain. High 49°, low 32°.
0
Westport, Thursday, 29 October
Clear. High 49°, low 27°.
0Westport, Friday, 30 October
Overcast. High 58°, low 37°.
0
Westport, Saturday, 31 October
Mostly clear. High 66°, low 45°.
0.04Westport, Sunday, 1 November
Light rain. High 64°, low 46°.
0.2Westport, Monday, 2 November
Light rain. High 57°, low 52°.
0Westport, Tuesday, 3 November
Mostly clear. High 55°, low 41°.
0Westport, Wednesday, 4 November
Clear. High 55°, low 36°.
0Westport, Thursday, 5 November
Clear. High 59°, low 38°.
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.
0.07
Westport, 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.
0.05Westport, Thursday, 19 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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