Harman US

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

WhenTempForecastWindPrecip
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.