Weather in Watertown, SD
Watertown, Friday, 16 October, 05:36
Overcast. Feels like 27°. High 48°, low 37°.
Monthly outlook for Watertown, SD: average high 56.8°, average low 41.5°. That is 2.3° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 23 October (76.8°), the coolest 31 October (27.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 62.6° | 54° | +4.8° |
| 26 October – 4 November | 47° | 48.9° | -1.1° |
| 5 November – 14 November | at normal | 42.6° | — |
October records over 66 years
0
Watertown, Saturday, 17 October
Clear. High 60°, low 37°.
0Watertown, Sunday, 18 October
Clear. High 62°, low 45°.
0Watertown, Monday, 19 October
Clear. High 60°, low 43°.
0
Watertown, Tuesday, 20 October
Partly cloudy. High 63°, low 46°.
0.02
Watertown, Wednesday, 21 October
Light rain. High 67°, low 52°.
0Watertown, Thursday, 22 October
Clear. High 69°, low 46°.
0.01Watertown, Friday, 23 October
Light rain. High 77°, low 57°.
0Watertown, Saturday, 24 October
Light rain. High 70°, low 44°.
0Watertown, Sunday, 25 October
Overcast. High 49°, low 42°.
0.89Watertown, Monday, 26 October
Rain. High 44°, low 40°.
0.04Watertown, Tuesday, 27 October
Light rain. High 54°, low 35°.
0Watertown, Wednesday, 28 October
Light rain. High 52°, low 38°.
0.51Watertown, Thursday, 29 October
Rain. High 46°, low 43°.
0.09
Watertown, Friday, 30 October
Snow. High 39°, low 33°.
0Watertown, Saturday, 31 October
Partly cloudy. High 48°, low 28°.
0.05Watertown, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04
Watertown, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Watertown, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Watertown, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Watertown, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Watertown, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Watertown, 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.
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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