Weather forecast for: Downey ID
Last Update: 12:31 pm MDT Sep 18, 2026
This Afternoon: Showers and possibly a thunderstorm. Steady temperature around 66. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.
Saturday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night: Partly cloudy, with a low around 34. Calm wind.
Sunday: Mostly sunny, with a high near 68. Light and variable wind.
Sunday Night: Mostly clear, with a low around 35.
Monday: Sunny, with a high near 75.
Monday Night: Partly cloudy, with a low around 41.
Tuesday: Mostly sunny, with a high near 76.
Tuesday Night: Partly cloudy, with a low around 41.
Wednesday: Sunny, with a high near 77.
Wednesday Night: Mostly clear, with a low around 40.
Thursday: Sunny, with a high near 79.
Thursday Night: Partly cloudy, with a low around 43.
Friday: Mostly sunny, with a high near 79.