Melba, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melba, a city in Owyhee County, Idaho.
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy, with a high near 73. North northeast wind around 9 mph.
7-day forecast for Melba
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 9 mph NNE | 6% |
| Tonight | 53°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 3 to 8 mph N | 22% |
| Saturday | 77°F | Mostly Sunny | 5 to 13 mph NW | 4% |
| Saturday Night | 52°F | Mostly Clear | 2 to 7 mph S | 0% |
| Sunday | 80°F | Sunny | 3 to 7 mph ESE | 0% |
| Sunday Night | 53°F | Mostly Clear | 5 mph ESE | 0% |
| Monday | 82°F | Sunny | 3 to 9 mph SE | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Tuesday | 83°F | Sunny | 1 to 5 mph ESE | 1% |
| Tuesday Night | 55°F | Mostly Clear | 2 to 7 mph W | 0% |
| Wednesday | 84°F | Sunny | 2 to 7 mph SE | 0% |
| Wednesday Night | 55°F | Mostly Clear | 3 to 8 mph E | 1% |
| Thursday | 87°F | Sunny | 9 to 18 mph SE | 0% |
| Thursday Night | 57°F | Partly Cloudy | 8 to 13 mph SE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Melba (43.374, -116.532). Updated through the day.
Growing snapshot for Melba
Last spring frost
May 21
First fall frost
Sep 28
Growing season
126 days
Hardiness zone
7a
More local growing data for Melba: nearby ZIP 83641 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Reynolds, Id (11.5 mi from Melba). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.