What is today's weather forecast for Sweeney, SD?

Today's forecast for Sweeney shows a low of 39 degrees Fahrenheit. Mostly clear, with a low around 39.

What is the 7-day weather forecast for Sweeney, SD?

The 7-day forecast for Sweeney shows highs from 53 to 68 degrees and lows from 31 to 49 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Sweeney, SD this week?

Yes, rain is possible in Sweeney this week. Precipitation chances: Sunday (24% chance), Monday (55% chance), Tuesday (23% chance).

How accurate is the Sweeney weather forecast?

WeatherForYou provides highly accurate Sweeney forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Sweeney, SD Weather Forecast and Current Conditions

Current Conditions

54°F
Feels Like 54°F

Humidity 71% Dew Point 45°F Wind SSE 13 MPH Barometer 30 in.762.0 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 27.5 miles SSE of central Sweeney
at 7:53 PM Fri, Oct 24, 2025

Current Conditions

54°F
Feels Like 54°F

Humidity 71% Dew Point 45°F Wind SSE 13 MPH Barometer 30 in.762.0 mm

Solar Rad 0 w/m2 Visibility 10 mi.

Report from 27.5 miles SSE of central Sweeney
at 7:53 PM Fri, Oct 24, 2025

Point Forecast at a Glance

FriOct 24

39°

SatOct 25

68°

49°

SunOct 26

66°

45°

MonOct 27

60%

59°

37°

TueOct 28

20%

53°

33°

WedOct 29

55°

34°

ThuOct 30

55°

31°

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 68°F to 53°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 5°F below the historical average for October. Normal highs for this period are around 63°F with lows around 37°F.

This Date in Weather History

1785 - A four day rain swelled the Merrimack River in New Hampshire and Massachusetts to the greatest height of record causing extensive damage to bridges and mills.

Sweeney 7 Day Weather Forecast Details

Friday Oct 24

Night: Mostly clear, with a low around 39. South southeast wind 8 to 13 mph.

Saturday Oct 25

Day: Sunny, with a high near 68. South southeast wind 9 to 22 mph, with gusts as high as 33 mph.

Night: Partly cloudy, with a low around 49. South southeast wind 18 to 22 mph, with gusts as high as 33 mph.

Sunday Oct 26

Day: Partly sunny, with a high near 66. South southeast wind 21 to 30 mph, with gusts as high as 41 mph.

Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 45. South wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

Monday Oct 27

Day: Rain likely. Mostly cloudy, with a high near 59. Southwest wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Night: A chance of rain. Mostly cloudy, with a low around 37. West southwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

Tuesday Oct 28

Day: A slight chance of rain before 1pm. Mostly sunny, with a high near 53. Northwest wind 14 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

Night: Partly cloudy, with a low around 33. Northwest wind 13 to 17 mph, with gusts as high as 28 mph.