Castleford, ID Weather & Growing Conditions
Today
85°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 85. West northwest wind around 10 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Smoke | 10 mph WNW | 0% |
| Tonight | 53°F | Areas Of Smoke | 6 to 12 mph WSW | 0% |
| Wednesday | 90°F | Areas Of Smoke | 5 to 12 mph NW | 0% |
| Wednesday Night | 58°F | Patchy Smoke | 3 to 12 mph SSE | 0% |
| Thursday | 98°F | Patchy Smoke | 6 to 10 mph SW | 0% |
| Thursday Night | 65°F | Patchy Smoke | 6 to 10 mph ENE | 0% |
| Friday | 98°F | Sunny | 8 to 13 mph W | 0% |
| Friday Night | 66°F | Mostly Clear | 6 to 14 mph W | 0% |
| Saturday | 97°F | Sunny | 7 to 12 mph WNW | 0% |
| Saturday Night | 66°F | Mostly Clear | 7 to 12 mph W | 0% |
| Sunday | 94°F | Sunny | 9 to 13 mph W | 0% |
| Sunday Night | 64°F | Mostly Clear | 7 to 14 mph W | 0% |
| Monday | 93°F | Sunny | 8 to 13 mph WNW | 0% |
| Monday Night | 63°F | Mostly Clear | 8 to 13 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Castleford, ID
Last spring frost
May 17
First fall frost
Sep 29
Growing season
132 days
Hardiness zone
6b
Explore more for Castleford, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Castleford 2 N, Id (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.