Java, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Java, a town in Walworth County, South Dakota.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
7-day forecast for Java
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 7 to 13 mph NW | 0% |
| Tonight | 54°F | Mostly Clear | 6 to 10 mph S | 0% |
| Wednesday | 82°F | Sunny | 8 to 13 mph WSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 10 to 16 mph SSW | 2% |
| Thursday | 87°F | Sunny | 14 mph WSW | 1% |
| Thursday Night | 62°F | Mostly Clear | 8 to 12 mph E | 1% |
| Friday | 88°F | Sunny | 10 to 14 mph WSW | 1% |
| Friday Night | 62°F | Mostly Clear | 12 to 15 mph E | 1% |
| Saturday | 90°F | Mostly Sunny | 15 to 18 mph E | 2% |
| Saturday Night | 61°F | Mostly Clear | 14 to 17 mph ENE | 5% |
| Sunday | 87°F | Mostly Sunny | 14 to 18 mph ENE | 7% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 18 mph E | 33% |
| Monday | 85°F | Chance Showers And Thunderstorms | 20 mph ENE | 30% |
| Monday Night | 61°F | Slight Chance Showers And Thunderstorms | 18 mph ENE | 26% |
Forecast source: National Weather Service (api.weather.gov) for Java (45.504, -99.884). Updated through the day.
Growing snapshot for Java
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
More local growing data for Java: nearby ZIP 57452 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Selby, Sd (8.5 mi from Java). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.