Mackay, ID Weather & Growing Conditions
Today
45°F
Chance Light Rain then Showers And Thunderstorms Likely
A chance of rain before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 45. North wind 2 to 7 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 45°F | Chance Light Rain then Showers And Thunderstorms Likely | 2 to 7 mph N | 55% |
| Tonight | 36°F | Slight Chance Light Rain then Partly Cloudy | 3 to 8 mph NW | 16% |
| Sunday | 51°F | Partly Sunny | 2 to 7 mph NW | 1% |
| Sunday Night | 37°F | Mostly Clear | 7 mph SSW | 2% |
| Monday | 55°F | Sunny | 2 to 6 mph SSW | 4% |
| Monday Night | 39°F | Partly Cloudy | 3 to 8 mph SSW | 1% |
| Tuesday | 56°F | Mostly Sunny | 3 to 7 mph SW | 5% |
| Tuesday Night | 39°F | Partly Cloudy | 8 mph SSW | 5% |
| Wednesday | 57°F | Sunny | 3 to 9 mph SSW | 4% |
| Wednesday Night | 39°F | Mostly Clear | 12 mph SSW | 2% |
| Thursday | 58°F | Sunny | 8 to 13 mph S | 3% |
| Thursday Night | 40°F | Partly Cloudy | 13 mph S | 1% |
| Friday | 57°F | Mostly Sunny | 10 to 15 mph SSE | 5% |
| Friday Night | 40°F | Partly Cloudy | 10 to 14 mph SW | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mackay, ID
Last spring frost
Jun 14
First fall frost
Sep 8
Growing season
86 days
Hardiness zone
5a
Explore more for Mackay, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Chilly Barton Flat, Id (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.