Melba, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melba, a city in Owyhee County, Idaho.
Tonight
38°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers between 11pm and midnight. Cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Melba
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Slight Chance Rain Showers then Cloudy | 5 mph W | 16% |
| Wednesday | 60°F | Sunny | 2 to 9 mph NNW | 1% |
| Wednesday Night | 37°F | Mostly Cloudy | 3 mph SE | 10% |
| Thursday | 58°F | Partly Sunny | 2 to 8 mph ENE | 10% |
| Thursday Night | 34°F | Mostly Clear | 1 to 6 mph S | 0% |
| Friday | 58°F | Partly Sunny | 5 mph E | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 to 3 mph SE | 0% |
| Saturday | 63°F | Mostly Sunny | 2 to 15 mph SE | 0% |
| Saturday Night | 41°F | Partly Cloudy | 12 to 21 mph SE | 0% |
| Sunday | 65°F | Mostly Sunny | 6 to 15 mph ESE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 2 to 6 mph SW | 0% |
| Monday | 64°F | Partly Sunny | 3 to 7 mph ESE | 2% |
| Monday Night | 40°F | Partly Cloudy | 1 to 5 mph W | 4% |
| Tuesday | 65°F | Mostly Sunny | 5 mph SSE | 7% |
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 Nov 4, 2026.