Watertown, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Watertown, SD in one place.
Mostly sunny, with a high near 79. East southeast wind around 12 mph.
Local Weather Overview
This forecast page for Watertown, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 10, 2026 5:10 AM CDT.
The active forecast window currently covers Oct 11 to Oct 16, 2026 for Watertown, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 11 to Oct 16, 2026
- Latest sync
- Oct 10, 2026 5:10 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Watertown
Sunday looks like the warmest upcoming period in Watertown at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 14 to 18 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 10, 2026 5:10 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 46. North northeast wind around 14 mph, with gusts as high as 23 mph.
A chance of rain showers after 7am. Mostly cloudy, with a high near 61. North northeast wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
A chance of rain showers before 7pm. Mostly cloudy, with a low around 41. North northwest wind 8 to 12 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 59. North wind around 8 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 41. Northeast wind around 7 mph. Chance of precipitation is 20%.
A chance of rain showers. Mostly sunny, with a high near 60. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Oct 11
|
Mostly Sunny
|
79°F |
12 mph
ESE
|
|
Sunday Night
Oct 11
|
Mostly Cloudy
|
46°F |
14 mph
NNE
|
|
Columbus Day
Oct 12
|
Chance Rain Showers
|
61°F |
13 mph
NNE
|
|
Monday Night
Oct 12
|
Chance Rain Showers then Mostly Cloudy
|
41°F |
8 to 12 mph
NNW
|
|
Tuesday
Oct 13
|
Partly Sunny
|
59°F |
8 mph
N
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Slight Chance Rain Showers
|
41°F |
7 mph
NE
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
60°F |
7 to 14 mph
E
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
43°F |
10 to 14 mph
ESE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
58°F |
12 to 17 mph
WSW
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
39°F |
16 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
54°F |
14 to 18 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Watertown.
Nearby forecast pages are not available for this location yet.
