Watertown, SD Weather Forecast

Local 7-day forecast

64°
F

Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Watertown, SD in one place.

Friday, July 10, 2026
Wind: 5 mph SE
Overnight

A slight chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

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: Jul 10, 2026 5:24 AM CDT.

The active forecast window currently covers Jul 10 to Jul 16, 2026 for Watertown, SD.

Page Snapshot

Page focus
city weather
Forecast window
Jul 10 to Jul 16, 2026
Latest sync
Jul 10, 2026 5:24 AM CDT
Forecast office
ABR
Source
NOAA / NWS
Next High
90°F
Friday
Next Low
64°F
Overnight
Rain Outlook
3
Periods mentioning precipitation
Windiest
14 to 17 mph
Monday

Daily Outlook

Today
Jul 10
Slight Chance Showers And Thunderstorms
90 °F
/ 64°F
Wind 6 to 10 mph
Sat
Jul 11
Sunny
92 °F
/ 70°F
Wind 7 to 12 mph
Sun
Jul 12
Sunny
95 °F
/ 72°F
Wind 13 mph
Mon
Jul 13
Sunny
96 °F
/ 71°F
Wind 14 to 17 mph
Tue
Jul 14
Sunny
94 °F
/ 68°F
Wind 10 to 14 mph
Wed
Jul 15
Sunny
93 °F
/ 68°F
Wind 10 to 14 mph
Thu
Jul 16
Sunny
92 °F
Wind 12 to 15 mph

This Week in Watertown

Monday looks like the warmest upcoming period in Watertown at 96 degrees F.

Overnight is the coolest period ahead with temperatures near 64 degrees F.

The strongest winds are forecast for Monday at about 14 to 17 mph SSW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Jul 10, 2026 5:24 AM CDT
Coverage
7 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 source

Extended Forecast

Friday
Jul 10
90°F
Slight Chance Showers And Thunderstorms
6 to 10 mph S

A slight chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 90. South wind 6 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night
Jul 10
68°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
8 mph SSE

A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. South southeast wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Saturday
Jul 11
92°F
Sunny
7 to 12 mph S

Sunny, with a high near 92. South wind 7 to 12 mph, with gusts as high as 21 mph.

Saturday Night
Jul 11
70°F
Clear
6 to 9 mph S

Clear, with a low around 70. South wind 6 to 9 mph.

Sunday
Jul 12
95°F
Sunny
13 mph SSW

Sunny, with a high near 95. South southwest wind around 13 mph, with gusts as high as 22 mph.

Sunday Night
Jul 12
72°F
Clear
9 to 14 mph S

Clear, with a low around 72. South wind 9 to 14 mph, with gusts as high as 25 mph.

Monday
Jul 13
96°F
Sunny
14 to 17 mph SSW

Sunny, with a high near 96. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.

Monday Night
Jul 13
71°F
Mostly Clear
16 mph S

Mostly clear, with a low around 71. South wind around 16 mph, with gusts as high as 29 mph.

Tuesday
Jul 14
94°F
Sunny
10 to 14 mph S

Sunny, with a high near 94.

Tuesday Night
Jul 14
68°F
Mostly Clear
9 to 13 mph SE

Mostly clear, with a low around 68.

Wednesday
Jul 15
93°F
Sunny
10 to 14 mph SSE

Sunny, with a high near 93.

Wednesday Night
Jul 15
68°F
Mostly Clear
13 mph SSE

Mostly clear, with a low around 68.

Thursday
Jul 16
92°F
Sunny
12 to 15 mph S

Sunny, with a high near 92.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 10
Slight Chance Showers And Thunderstorms
64°F
5 mph
SE
Friday
Jul 10
Slight Chance Showers And Thunderstorms
90°F
6 to 10 mph
S
Friday Night
Jul 10
Slight Chance Showers And Thunderstorms then Partly Cloudy
68°F
8 mph
SSE
Saturday
Jul 11
Sunny
92°F
7 to 12 mph
S
Saturday Night
Jul 11
Clear
70°F
6 to 9 mph
S
Sunday
Jul 12
Sunny
95°F
13 mph
SSW
Sunday Night
Jul 12
Clear
72°F
9 to 14 mph
S
Monday
Jul 13
Sunny
96°F
14 to 17 mph
SSW
Monday Night
Jul 13
Mostly Clear
71°F
16 mph
S
Tuesday
Jul 14
Sunny
94°F
10 to 14 mph
S
Tuesday Night
Jul 14
Mostly Clear
68°F
9 to 13 mph
SE
Wednesday
Jul 15
Sunny
93°F
10 to 14 mph
SSE
Wednesday Night
Jul 15
Mostly Clear
68°F
13 mph
SSE
Thursday
Jul 16
Sunny
92°F
12 to 15 mph
S

Nearby Forecasts

Explore weather pages for nearby cities and major places around Watertown.

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.