2021 Long Range Weather Forecast for Watertown, SD

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2021 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

July 2021 Long Range Weather Forecast for Upper Midwest
DatesWeather Conditions
Jul 1-7A few t-storms, turning hot
Jul 8-12Sunny, warm
Jul 13-23Scattered t-storms, warm
Jul 24-31Isolated t-storms, warm
Julytemperature 69° (1° above avg.)
precipitation 2.5" (1" below avg.)

August 2021 Long Range Weather Forecast for Upper Midwest
DatesWeather Conditions
Aug 1-6A few t-storms, warm
Aug 7-18Sunny, hot
Aug 19-23T-storms, then sunny, cool
Aug 24-31Scattered t-storms, turning hot
Augusttemperature 70° (4° above avg.)
precipitation 1.5" (2" below avg.)

Annual Weather Summary
November 2020 to October 2021

Winter temperatures and precipitation will be above normal, while snowfall will be above normal in the east and below normal in the west. The coldest periods will be in early to mid- and late December, late January, and late February. The snowiest periods will be in late December, early and late January, late February, and early March. April and May will be warmer and drier than normal. Summer will be hotter and drier than normal, with the hottest periods in early June, early July, and mid- and late August. September and October will have below-normal temperatures and precipitation.

Map showing Old Farmer's Almanac long range weather region number 9

About the Upper Midwest Region

The Upper Midwest long range weather region includes all or part of the following states: MICHIGAN (Alpena, Escanaba, Marquette, Sault Ste. Marie, Traverse City), MINNESOTA (Bloomington, Duluth, Minneapolis, Rochester, Saint Paul), NORTH DAKOTA (Fargo, Grand Forks, Jamestown, West Fargo), SOUTH DAKOTA (Aberdeen, Brookings, Mitchell, Sioux Falls, Watertown), WISCONSIN (Appleton, Eau Claire, Green Bay, La Crosse, Oshkosh).

Upper Midwest Neighboring Regions

Here are the regions that neighbor the Upper Midwest long range weather region:

Temperature and Precipitation November 2020 to October 2021

Temperature and Precipitation Chart, November 2020 to October 2021 for Watertown, SD