Spencer, ID Weather & Growing Conditions
Today
76°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 76. Southwest wind 3 to 8 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Areas Of Smoke | 3 to 8 mph SW | 0% |
| Tonight | 48°F | Areas Of Smoke | 7 to 12 mph WNW | 1% |
| Wednesday | 80°F | Areas Of Smoke | 5 to 9 mph SSW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 8 mph NW | 0% |
| Thursday | 86°F | Sunny | 3 to 10 mph S | 0% |
| Thursday Night | 56°F | Clear | 5 to 9 mph NNW | 0% |
| Friday | 89°F | Sunny | 5 to 10 mph SSE | 0% |
| Friday Night | 58°F | Mostly Clear | 9 to 15 mph WNW | 0% |
| Saturday | 88°F | Sunny | 6 to 13 mph WNW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 10 mph NW | 0% |
| Sunday | 87°F | Sunny | 6 to 14 mph SSE | 0% |
| Sunday Night | 57°F | Mostly Clear | 7 to 14 mph NW | 1% |
| Monday | 86°F | Sunny | 6 to 14 mph WNW | 0% |
| Monday Night | 56°F | Partly Cloudy | 8 to 14 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spencer, ID
Last spring frost
May 18
First fall frost
Sep 30
Growing season
132 days
Hardiness zone
5b
Explore more for Spencer, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Dubois Exp Stn, Id (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.