Gary, SD Weather & Growing Conditions
Today
70°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 7am. Mostly sunny, with a high near 70. Northwest wind 2 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke then Mostly Sunny | 2 to 10 mph NW | 2% |
| Tonight | 53°F | Mostly Clear | 3 to 8 mph WSW | 1% |
| Wednesday | 75°F | Sunny | 12 mph SW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 6 to 17 mph SW | 0% |
| Thursday | 81°F | Sunny | 13 to 18 mph SW | 1% |
| Thursday Night | 63°F | Mostly Clear | 8 to 17 mph SSW | 5% |
| Friday | 83°F | Sunny | 8 to 17 mph SSW | 11% |
| Friday Night | 62°F | Mostly Clear | 8 mph S | 11% |
| Saturday | 82°F | Sunny | 7 to 13 mph S | 8% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 10 mph ESE | 24% |
| Sunday | 80°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph ENE | 24% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph ENE | 21% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph ENE | 21% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gary, SD
Last spring frost
May 7
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
Explore more for Gary, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Clear Lake, Sd (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.