Oldtown, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oldtown, a city in Bonner County, Idaho.
This Afternoon
50°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 50, with temperatures falling to around 45 in the afternoon. Wind around 0 mph.
7-day forecast for Oldtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Chance Rain Showers | 0 mph | 10% |
| Tonight | 28°F | Chance Rain And Snow Showers then Areas Of Fog | 0 mph | 10% |
| Wednesday | 51°F | Areas Of Fog then Sunny | 2 mph W | 2% |
| Wednesday Night | 30°F | Mostly Cloudy then Rain Showers Likely | 0 mph | 69% |
| Thursday | 46°F | Rain Showers Likely | 0 to 3 mph SW | 69% |
| Thursday Night | 30°F | Mostly Cloudy | 1 mph S | 9% |
| Friday | 50°F | Slight Chance Rain Showers | 0 to 5 mph S | 16% |
| Friday Night | 31°F | Mostly Cloudy | 2 mph SE | 5% |
| Saturday | 54°F | Mostly Cloudy | 3 mph E | 4% |
| Saturday Night | 34°F | Mostly Cloudy then Chance Rain Showers | 2 mph E | 34% |
| Sunday | 54°F | Chance Rain Showers | 2 to 9 mph S | 34% |
| Sunday Night | 31°F | Mostly Cloudy | 1 to 6 mph S | 11% |
| Monday | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph NE | 24% |
| Monday Night | 32°F | Chance Rain Showers | 1 mph E | 28% |
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 Nov 4, 2026.