Weather in Watertown, SD
Watertown, Sunday, 25 October, 16:06
Overcast. Feels like 38°. High 45°, low 37°.
Monthly outlook for Watertown, SD: average high 53.1°, average low 42.6°. That is 2.9° above the climate normal for October. Precipitation is expected on 6 days (about 2.3 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 1 November (64.5°), the coolest 9 November (35°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 54.2° | 49.5° | +2.6° |
| 4 November – 13 November | 51.3° | 43.1° | +4.5° |
| 14 November – 23 November | at normal | 38.1° | — |
October records over 66 years
0.62
Watertown, Monday, 26 October
Rain. High 40°, low 36°.
0.22Watertown, Tuesday, 27 October
Rain. High 50°, low 37°.
0Watertown, Wednesday, 28 October
Light rain. High 60°, low 45°.
0
Watertown, Thursday, 29 October
Clear. High 61°, low 40°.
0
Watertown, Friday, 30 October
Mostly clear. High 52°, low 40°.
0.07Watertown, Saturday, 31 October
Light rain. High 54°, low 46°.
0Watertown, Sunday, 1 November
Overcast. High 65°, low 53°.
0Watertown, Monday, 2 November
Overcast. High 61°, low 53°.
0.76Watertown, Tuesday, 3 November
Rain. High 55°, low 49°.
0Watertown, Wednesday, 4 November
Clear. High 53°, low 40°.
0Watertown, Thursday, 5 November
Overcast. High 56°, low 42°.
0.5Watertown, Friday, 6 November
Rain. High 50°, low 43°.
0.01Watertown, Saturday, 7 November
Light rain. High 56°, low 46°.
0Watertown, Sunday, 8 November
Overcast. High 50°, low 42°.
0Watertown, Monday, 9 November
Overcast. High 42°, low 35°.
0.06
Watertown, 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.
0.03Watertown, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03Watertown, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Watertown, Monday, 23 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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