Weather in Watertown, SD
Watertown, Thursday, 22 October, 16:25
Clear. Feels like 75°. High 75°, low 42°.
Monthly outlook for Watertown, SD: average high 55.3°, average low 39.9°. That is 3.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 22 October (75.1°), the coolest 29 October (30.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 55.1° | 51.3° | +2.1° |
| 1 November – 10 November | 55.6° | 45.2° | +5.8° |
| 11 November – 20 November | at normal | 39.3° | — |
October records over 66 years
0
Watertown, Friday, 23 October
Overcast. High 73°, low 52°.
0.07
Watertown, Saturday, 24 October
Rain. High 59°, low 44°.
0.04Watertown, Sunday, 25 October
Light rain. High 51°, low 39°.
0.55Watertown, Monday, 26 October
Light rain. High 44°, low 40°.
0.34Watertown, Tuesday, 27 October
Rain. High 54°, low 41°.
0.02Watertown, Wednesday, 28 October
Light rain. High 57°, low 44°.
0.04
Watertown, Thursday, 29 October
Light snow. High 44°, low 30°.
0Watertown, Friday, 30 October
Light snow. High 47°, low 32°.
0Watertown, Saturday, 31 October
Overcast. High 47°, low 33°.
0Watertown, Sunday, 1 November
Clear. High 53°, low 36°.
0Watertown, Monday, 2 November
Clear. High 55°, low 37°.
0
Watertown, Tuesday, 3 November
Partly cloudy. High 58°, low 39°.
0Watertown, Wednesday, 4 November
Overcast. High 58°, low 44°.
0Watertown, Thursday, 5 November
Partly cloudy. High 59°, low 42°.
0Watertown, Friday, 6 November
Overcast. High 50°, low 45°.
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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