Oldtown, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oldtown, a city in Bonner County, Idaho.
Overnight
42°F
Haze
Haze and patchy smoke. Mostly clear, with a low around 42. Wind around 0 mph.
7-day forecast for Oldtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Haze | 0 mph | 0% |
| Tuesday | 83°F | Sunny | 0 to 3 mph E | 0% |
| Tuesday Night | 45°F | Mostly Clear then Haze | 0 to 3 mph NW | 0% |
| Wednesday | 89°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 94°F | Sunny | 0 to 6 mph SW | 0% |
| Thursday Night | 52°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Friday | 93°F | Sunny | 0 to 8 mph SW | 0% |
| Friday Night | 52°F | Mostly Clear | 1 to 8 mph S | 0% |
| Saturday | 90°F | Sunny | 1 to 8 mph S | 0% |
| Saturday Night | 51°F | Mostly Clear | 1 to 8 mph S | 0% |
| Sunday | 87°F | Sunny | 1 to 7 mph S | 0% |
| Sunday Night | 49°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Monday | 85°F | Sunny | 1 to 5 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Oldtown (48.182, -117.018). Updated through the day.
Growing snapshot for Oldtown
Last spring frost
May 12
First fall frost
Sep 21
Growing season
130 days
Hardiness zone
6a
More local growing data for Oldtown: nearby ZIP 83822 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newport, Wa (2.4 mi from Oldtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.