What is today's weather forecast for Lake Byron, SD?

Today's forecast for Lake Byron shows a high of 34 degrees and a low of 27 degrees Fahrenheit. Partly sunny, with a high near 34.

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

The 7-day forecast for Lake Byron shows highs from 19 to 43 degrees and lows from 1 to 27 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Lake Byron, SD this week?

Yes, rain is possible in Lake Byron this week. Precipitation chances: Wednesday (60% chance), Thursday (20% chance).

How accurate is the Lake Byron weather forecast?

WeatherForYou provides highly accurate Lake Byron 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.

Lake Byron, SD Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

39°F
Feels Like 34°F

Humidity 64% Dew Point 28°F Wind WNW 7 MPH Barometer 29.99 in.

Solar Rad 339 w/m² Visibility 10 mi.

Report from a NOAA weather station 13.5 mi. SSW of central Lake Byron
at 11:55 AM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

20%

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 34°F, reaching 43°F before cooling to 19°F, then recovering to 32°F by week's end. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for December. Normal highs for this period are around 29°F with lows around 10°F.

This Date in Weather History

1839 - The first of triple storms hit Massachusetts Bay. The storm produced whole gales, and more than 20 inches of snow in interior New England. There was great loss of life at Gloucester MA.

Lake Byron, SD 7 Day Weather Forecast Details

Monday Dec 15

Day: Partly sunny, with a high near 34. West wind around 5 mph becoming south southwest.

Night: Mostly cloudy, with a steady temperature around 27. South southeast wind 5 to 10 mph.

Tuesday Dec 16

Day: Partly sunny, with a high near 41. South wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

Night: Partly cloudy, with a low around 24. West northwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

Wednesday Dec 17

Day: Partly sunny, with a high near 43. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

Night: Rain likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 11. Windy, with a south wind 15 to 20 mph becoming northwest 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Dec 18

Day: A 20 percent chance of snow before noon. Mostly sunny, with a high near 19. Windy.

Night: Mostly cloudy, with a low around 1. Breezy.

Friday Dec 19

Day: Partly sunny, with a high near 37. Breezy.

Night: Mostly cloudy, with a low around 18.

Saturday Dec 20

Day: Partly sunny, with a high near 29.

Night: Partly cloudy, with a low around 13.

Sunday Dec 21

Day: Mostly sunny, with a high near 32.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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