Post Falls, ID Weather & Growing Conditions
This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 5 mph W | 1% |
| Tonight | 50°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 77°F | Sunny | 3 mph NE | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 80°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 mph E | 0% |
| Monday | 81°F | Sunny | 3 mph S | 0% |
| Monday Night | 53°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 77°F | Mostly Sunny | 3 mph SE | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 3 mph S | 0% |
| Wednesday | 73°F | Mostly Sunny | 5 mph S | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 1% |
| Thursday | 77°F | Mostly Sunny | 3 mph NE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 3 mph E | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Post Falls, ID
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6b
Explore more for Post Falls, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Coeur D'alene, Id (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.