Java, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Java, a town in Walworth County, South Dakota.
This Afternoon
45°F
Mostly Cloudy
Mostly cloudy, with a high near 45. North northwest wind around 21 mph, with gusts as high as 30 mph.
7-day forecast for Java
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Mostly Cloudy | 21 mph NNW | 1% |
| Tonight | 30°F | Cloudy | 14 to 17 mph NNW | 1% |
| Wednesday | 45°F | Mostly Cloudy | 20 mph NNW | 2% |
| Wednesday Night | 29°F | Mostly Cloudy | 13 to 17 mph NNW | 0% |
| Thursday | 44°F | Mostly Sunny | 7 to 13 mph N | 0% |
| Thursday Night | 25°F | Partly Cloudy | 8 mph ESE | 0% |
| Friday | 46°F | Mostly Sunny | 8 mph SSW | 0% |
| Friday Night | 29°F | Partly Cloudy | 6 to 10 mph SW | 0% |
| Saturday | 55°F | Mostly Sunny | 10 to 17 mph W | 3% |
| Saturday Night | 32°F | Mostly Clear | 8 to 12 mph W | 3% |
| Sunday | 55°F | Sunny | 8 to 12 mph SSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 9 to 13 mph SW | 0% |
| Monday | 57°F | Sunny | 10 to 17 mph NW | 0% |
| Monday Night | 34°F | Partly Cloudy | 8 mph W | 0% |
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 Nov 3, 2026.