Post Falls, ID Weather & Growing Conditions
Tonight
35°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 10pm. Mostly cloudy, with a low around 35. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Chance Rain Showers then Mostly Cloudy | 1 mph SE | 12% |
| Wednesday | 53°F | Patchy Fog then Sunny | 2 mph SW | 2% |
| Wednesday Night | 36°F | Mostly Cloudy then Rain Showers Likely | 3 mph S | 72% |
| Thursday | 48°F | Rain Showers Likely | 3 to 7 mph S | 72% |
| Thursday Night | 35°F | Mostly Cloudy | 3 mph SE | 7% |
| Friday | 53°F | Mostly Cloudy | 6 mph SE | 13% |
| Friday Night | 39°F | Mostly Cloudy | 5 mph SE | 6% |
| Saturday | 58°F | Partly Sunny | 3 mph E | 6% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 2 to 6 mph SE | 33% |
| Sunday | 56°F | Chance Rain Showers | 6 to 13 mph SW | 33% |
| Sunday Night | 38°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph S | 15% |
| Monday | 54°F | Partly Sunny then Slight Chance Rain Showers | 3 mph E | 17% |
| Monday Night | 39°F | Chance Rain Showers | 3 mph SE | 25% |
| Tuesday | 56°F | Chance Rain Showers | 3 mph S | 33% |
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 Nov 4, 2026.