Meridian, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Meridian, a city in Ada County, Idaho.
Today
89°F
Smoke
Smoke. Sunny, with a high near 89. West wind 1 to 7 mph.
7-day forecast for Meridian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Smoke | 1 to 7 mph W | 0% |
| Tonight | 55°F | Smoke | 2 to 7 mph SW | 0% |
| Wednesday | 93°F | Smoke | 5 mph SSW | 0% |
| Wednesday Night | 59°F | Patchy Smoke | 1 to 6 mph SE | 0% |
| Thursday | 100°F | Areas Of Smoke | 1 to 5 mph NNE | 0% |
| Thursday Night | 63°F | Areas Of Smoke | 2 to 6 mph SSE | 0% |
| Friday | 101°F | Sunny | 2 to 7 mph NNW | 0% |
| Friday Night | 63°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Saturday | 99°F | Sunny | 2 to 9 mph NW | 0% |
| Saturday Night | 63°F | Mostly Clear | 5 to 9 mph NNW | 0% |
| Sunday | 95°F | Sunny | 5 to 9 mph NW | 0% |
| Sunday Night | 61°F | Mostly Clear | 5 to 9 mph NNW | 0% |
| Monday | 94°F | Sunny | 5 to 9 mph NW | 0% |
| Monday Night | 60°F | Mostly Clear | 3 to 9 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Meridian (43.611, -116.401). Updated through the day.
Growing snapshot for Meridian
Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a
More local growing data for Meridian: nearby ZIP 83642 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boise Air Terminal, Id (8 mi from Meridian). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.