Weather in Watertown, SD
Watertown, Saturday, 17 October, 16:11
Clear. Feels like 60°. High 63°, low 34°.
Monthly outlook for Watertown, SD: average high 62.9°, average low 46.1°. That is 5.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 23 October (74.6°), the coolest 17 October (33.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 63.4° | 53.8° | +5.3° |
| 27 October – 5 November | 62° | 48.3° | +7.6° |
| 6 November – 15 November | at normal | 42° | — |
October records over 66 years
0Watertown, Sunday, 18 October
Clear. High 64°, low 43°.
0Watertown, Monday, 19 October
Clear. High 61°, low 44°.
0Watertown, Tuesday, 20 October
Clear. High 63°, low 46°.
0
Watertown, Wednesday, 21 October
Mostly clear. High 65°, low 48°.
0Watertown, Thursday, 22 October
Mostly clear. High 69°, low 52°.
0.17
Watertown, Friday, 23 October
Light rain. High 75°, low 57°.
0.24Watertown, Saturday, 24 October
Light rain. High 64°, low 53°.
0.03Watertown, Sunday, 25 October
Light rain. High 57°, low 48°.
0Watertown, Monday, 26 October
Clear. High 54°, low 41°.
0Watertown, Tuesday, 27 October
Clear. High 58°, low 38°.
0.2Watertown, Wednesday, 28 October
Rain. High 54°, low 46°.
0Watertown, Thursday, 29 October
Clear. High 69°, low 49°.
0
Watertown, Friday, 30 October
Overcast. High 64°, low 46°.
0.02Watertown, Saturday, 31 October
Light rain. High 62°, low 41°.
0Watertown, Sunday, 1 November
Clear. High 65°, low 51°.
0.04Watertown, Monday, 2 November
Climate normal for this date — 60-year average.
0.04
Watertown, 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.
0.04Watertown, Sunday, 15 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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