Weather in Watertown, SD
Watertown, Thursday, 15 October, 05:26
Overcast. Feels like 45°. High 53°, low 42°.
Monthly outlook for Watertown, SD: average high 52.7°, average low 39.3°. That is 0.1° below the climate normal for October. Precipitation is expected on 5 days (about 0.9 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 21 October (65.5°), the coolest 30 October (19.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 59.6° | 54.2° | +3° |
| 25 October – 3 November | 41.4° | 49.5° | -4.5° |
| 4 November – 13 November | at normal | 43.1° | — |
October records over 66 years
0.04
Watertown, Friday, 16 October
Light rain. High 48°, low 38°.
0
Watertown, Saturday, 17 October
Clear. High 59°, low 38°.
0Watertown, Sunday, 18 October
Clear. High 64°, low 45°.
0Watertown, Monday, 19 October
Clear. High 61°, low 41°.
0Watertown, Tuesday, 20 October
Clear. High 64°, low 45°.
0.06Watertown, Wednesday, 21 October
Light rain. High 66°, low 51°.
0.01Watertown, Thursday, 22 October
Light rain. High 65°, low 59°.
0.6Watertown, Friday, 23 October
Rain. High 59°, low 55°.
0.06Watertown, Saturday, 24 October
Light rain. High 57°, low 39°.
0Watertown, Sunday, 25 October
Overcast. High 43°, low 33°.
0Watertown, Monday, 26 October
Overcast. High 41°, low 28°.
0Watertown, Tuesday, 27 October
Clear. High 46°, low 25°.
0Watertown, Wednesday, 28 October
Overcast. High 43°, low 39°.
0Watertown, Thursday, 29 October
Light rain. High 39°, low 30°.
0
Watertown, Friday, 30 October
Mostly clear. High 35°, low 19°.
0.07
Watertown, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Watertown, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Watertown, 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.
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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