Weather in Watertown, SD
Watertown, Friday, 23 October, 09:22
Clear. Feels like 60°. High 74°, low 58°.
Monthly outlook for Watertown, SD: average high 56.2°, average low 44.7°. That is 4° above the climate normal for October. Precipitation is expected on 5 days (about 2.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 23 October (73.5°), the coolest 30 October (34.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 53.6° | 50.7° | +1.6° |
| 2 November – 11 November | 60.7° | 44.4° | +9° |
| 12 November – 21 November | at normal | 39° | — |
October records over 66 years
0.18
Watertown, Saturday, 24 October
Rain. High 62°, low 44°.
0.01Watertown, Sunday, 25 October
Light rain. High 47°, low 41°.
0.3Watertown, Monday, 26 October
Rain. High 45°, low 40°.
0.79Watertown, Tuesday, 27 October
Rain. High 48°, low 39°.
0.07Watertown, Wednesday, 28 October
Light rain. High 49°, low 46°.
0Watertown, Thursday, 29 October
Clear. High 46°, low 36°.
0
Watertown, Friday, 30 October
Overcast. High 51°, low 34°.
0Watertown, Saturday, 31 October
Overcast. High 52°, low 40°.
0Watertown, Sunday, 1 November
Clear. High 63°, low 43°.
0.73Watertown, Monday, 2 November
Rain. High 56°, low 51°.
0Watertown, Tuesday, 3 November
Light rain. High 59°, low 53°.
0
Watertown, Wednesday, 4 November
Partly cloudy. High 59°, low 47°.
0.03Watertown, Thursday, 5 November
Light rain. High 59°, low 48°.
0Watertown, Friday, 6 November
Overcast. High 63°, low 45°.
0Watertown, Saturday, 7 November
Clear. High 67°, low 53°.
0.06Watertown, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Watertown, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Watertown, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02
Watertown, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Watertown, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Watertown, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Watertown, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Watertown, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Watertown, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Watertown, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Watertown, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Watertown, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04Watertown, Friday, 20 November
Climate normal for this date — 60-year average.
0.03Watertown, Saturday, 21 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 Watertown, 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 Watertown, 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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