Swan Valley, ID Weather & Growing Conditions
Tonight
38°F
Isolated Rain Showers
Isolated rain showers before 2am. Mostly cloudy. Low around 38, with temperatures rising to around 42 overnight. South southeast wind around 2 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Isolated Rain Showers | 2 mph SSE | 23% |
| Sunday | 63°F | Mostly Sunny | 2 to 7 mph NW | 4% |
| Sunday Night | 39°F | Mostly Clear | 3 to 7 mph NE | 0% |
| Monday | 70°F | Sunny | 1 to 9 mph SSW | 0% |
| Monday Night | 43°F | Mostly Clear | 5 to 9 mph ENE | 0% |
| Tuesday | 73°F | Mostly Sunny | 3 to 12 mph SSE | 2% |
| Tuesday Night | 45°F | Slight Chance Showers And Thunderstorms then Chance Light Rain | 3 to 9 mph SSE | 29% |
| Wednesday | 71°F | Mostly Sunny | 5 to 12 mph SSW | 12% |
| Wednesday Night | 45°F | Mostly Clear | 5 to 13 mph SSE | 2% |
| Thursday | 76°F | Sunny | 6 to 15 mph S | 3% |
| Thursday Night | 47°F | Mostly Clear | 3 to 15 mph SSE | 1% |
| Friday | 76°F | Mostly Sunny | 9 to 16 mph SSE | 5% |
| Friday Night | 46°F | Partly Cloudy | 6 to 14 mph SSE | 10% |
| Saturday | 72°F | Slight Chance Light Rain then Slight Chance Showers And Thunderstorms | 9 to 14 mph S | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Swan Valley, ID
Growing season
69 days
Hardiness zone
5b
Explore more for Swan Valley, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Swan Valley, Id (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.