Weather in Watertown, SD
Watertown, Thursday, 22 October, 22:19
Clear. Feels like 66°. High 75°, low 42°.
Monthly outlook for Watertown, SD: average high 53.4°, average low 40.1°. That is 2.2° above the climate normal for October. Precipitation is expected on 9 days (about 3.4 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 22 October (75.3°), the coolest 4 November (32.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 56° | 51.3° | +2.6° |
| 1 November – 10 November | 49.1° | 45.2° | +2.1° |
| 11 November – 20 November | at normal | 39.3° | — |
October records over 66 years
0.04
Watertown, Friday, 23 October
Light rain. High 72°, low 52°.
0.22Watertown, Saturday, 24 October
Rain. High 59°, low 44°.
0.07Watertown, Sunday, 25 October
Light rain. High 52°, low 38°.
1.02Watertown, Monday, 26 October
Rain. High 44°, low 40°.
0.35Watertown, Tuesday, 27 October
Rain. High 52°, low 42°.
0.19Watertown, Wednesday, 28 October
Rain. High 66°, low 45°.
0
Watertown, Thursday, 29 October
Overcast. High 46°, low 38°.
0.35Watertown, Friday, 30 October
Rain. High 44°, low 37°.
1.04Watertown, Saturday, 31 October
Rain. High 51°, low 42°.
0
Watertown, Sunday, 1 November
Clear. High 52°, low 38°.
0.06
Watertown, Monday, 2 November
Light snow. High 39°, low 36°.
0.01Watertown, Tuesday, 3 November
Snow. High 45°, low 36°.
0
Watertown, Wednesday, 4 November
Partly cloudy. High 45°, low 32°.
0Watertown, Thursday, 5 November
Overcast. High 57°, low 36°.
0Watertown, Friday, 6 November
Clear. High 56°, low 42°.
0.02
Watertown, Saturday, 7 November
Climate normal for this date — 60-year average.
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.
0.02Watertown, 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.
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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