Oldtown, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oldtown, a city in Bonner County, Idaho.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. Southwest wind around 2 mph.
7-day forecast for Oldtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 2 mph SW | 0% |
| Tonight | 44°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 79°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 45°F | Mostly Clear | 1 mph N | 0% |
| Monday | 81°F | Sunny | 2 mph E | 0% |
| Monday Night | 47°F | Partly Cloudy | 2 mph SW | 0% |
| Tuesday | 77°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 2 mph SE | 1% |
| Wednesday | 70°F | Mostly Sunny | 1 to 6 mph S | 1% |
| Wednesday Night | 43°F | Partly Cloudy | 1 to 5 mph SE | 4% |
| Thursday | 68°F | Mostly Sunny | 3 mph SE | 9% |
| Thursday Night | 44°F | Mostly Cloudy | 1 mph NE | 13% |
| Friday | 66°F | Slight Chance Rain Showers | 3 mph SW | 22% |
| Friday Night | 41°F | Slight Chance Rain Showers | 2 mph W | 22% |
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 Sep 19, 2026.