Watertown, SD Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Watertown, SD in one place.
Showers and thunderstorms. Mostly sunny. High near 71, with temperatures falling to around 66 in the afternoon. West northwest wind 12 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Jun 16, 2026 8:54 AM CDT.
The active forecast window currently covers Jun 17 to Jun 22, 2026 for Watertown, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 17 to Jun 22, 2026
- Latest sync
- Jun 16, 2026 8:54 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Watertown
Saturday looks like the warmest upcoming period in Watertown at 78 degrees F.
Thursday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Wednesday at about 12 to 25 mph WNW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 16, 2026 8:54 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
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 50. North northwest wind 8 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. Northwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 48. West northwest wind 1 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunny, with a high near 77. West wind 3 to 10 mph.
Partly cloudy, with a low around 54. East northeast wind 3 to 7 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. East wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 17
|
Showers And Thunderstorms
|
71°F |
12 to 25 mph
WNW
|
|
Wednesday Night
Jun 17
|
Chance Showers And Thunderstorms
|
50°F |
8 to 23 mph
NNW
|
|
Thursday
Jun 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
69°F |
8 to 13 mph
NW
|
|
Thursday Night
Jun 18
|
Chance Showers And Thunderstorms then Mostly Clear
|
48°F |
1 to 12 mph
WNW
|
|
Juneteenth
Jun 19
|
Sunny
|
77°F |
3 to 10 mph
W
|
|
Friday Night
Jun 19
|
Partly Cloudy
|
54°F |
3 to 7 mph
ENE
|
|
Saturday
Jun 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
78°F |
5 to 13 mph
E
|
|
Saturday Night
Jun 20
|
Chance Showers And Thunderstorms
|
56°F |
13 mph
ENE
|
|
Sunday
Jun 21
|
Chance Showers And Thunderstorms
|
75°F |
10 to 16 mph
ENE
|
|
Sunday Night
Jun 21
|
Chance Showers And Thunderstorms
|
55°F |
7 to 15 mph
NE
|
|
Monday
Jun 22
|
Partly Sunny then Slight Chance Rain Showers
|
75°F |
7 to 12 mph
NNE
|
|
Monday Night
Jun 22
|
Chance Rain Showers
|
55°F |
5 to 10 mph
N
|
Nearby Forecasts
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