Java, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Java, a town in Walworth County, South Dakota.
Tonight
54°F
Areas Of Fog
Areas of fog. Cloudy, with a low around 54. Northeast wind around 12 mph.
7-day forecast for Java
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Areas Of Fog | 12 mph NE | 6% |
| Saturday | 66°F | Areas Of Fog | 9 to 14 mph NE | 5% |
| Saturday Night | 53°F | Cloudy then Slight Chance Rain Showers | 12 to 15 mph ENE | 21% |
| Sunday | 61°F | Cloudy then Chance Rain Showers | 14 to 17 mph E | 42% |
| Sunday Night | 50°F | Rain Showers Likely | 10 to 14 mph E | 62% |
| Monday | 62°F | Rain Showers Likely | 13 mph E | 57% |
| Monday Night | 48°F | Mostly Cloudy | 12 mph ESE | 10% |
| Tuesday | 65°F | Partly Sunny | 13 to 21 mph SE | 5% |
| Tuesday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 21 mph SE | 16% |
| Wednesday | 70°F | Slight Chance Rain Showers | 22 mph SSE | 17% |
| Wednesday Night | 54°F | Chance Rain Showers | 14 to 20 mph SE | 32% |
| Thursday | 72°F | Chance Rain Showers then Mostly Sunny | 13 mph SE | 25% |
| Thursday Night | 54°F | Partly Cloudy | 13 mph SE | 10% |
| Friday | 72°F | Partly Sunny | 14 to 20 mph SE | 9% |
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 Sep 19, 2026.