Weather in Watertown, SD
Watertown, Friday, 23 October, 21:45
Clear. Feels like 67°. High 70°, low 57°.
Monthly outlook for Watertown, SD: average high 56.9°, average low 43.3°. That is 4.4° above the climate normal for October. Precipitation is expected on 4 days (about 2.5 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 23 October (69.6°), the coolest 3 November (34.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 55.8° | 50.7° | +2.9° |
| 2 November – 11 November | 58.8° | 44.4° | +8° |
| 12 November – 21 November | at normal | 39° | — |
October records over 66 years
0.02
Watertown, Saturday, 24 October
Light rain. High 66°, low 45°.
0.31Watertown, Sunday, 25 October
Rain. High 45°, low 41°.
0.84Watertown, Monday, 26 October
Rain. High 42°, low 40°.
0.34Watertown, Tuesday, 27 October
Rain. High 53°, low 43°.
0
Watertown, Wednesday, 28 October
Partly cloudy. High 57°, low 38°.
0.01Watertown, Thursday, 29 October
Light rain. High 58°, low 47°.
0Watertown, Friday, 30 October
Partly cloudy. High 60°, low 43°.
0.94Watertown, Saturday, 31 October
Rain. High 57°, low 53°.
0.01Watertown, Sunday, 1 November
Light rain. High 50°, low 39°.
0Watertown, Monday, 2 November
Partly cloudy. High 56°, low 37°.
0
Watertown, Tuesday, 3 November
Overcast. High 48°, low 34°.
0Watertown, Wednesday, 4 November
Overcast. High 55°, low 38°.
0
Watertown, Thursday, 5 November
Clear. High 65°, low 42°.
0Watertown, Friday, 6 November
Overcast. High 65°, low 49°.
0Watertown, Saturday, 7 November
Overcast. High 64°, low 47°.
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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