Franklin, ID Weather & Growing Conditions
Overnight
44°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 3am, then a slight chance of rain between 3am and 5am. Mostly cloudy. Low around 44, with temperatures rising to around 47 overnight. Wind around 0 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Slight Chance Showers And Thunderstorms | 0 mph | 26% |
| Saturday | 67°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 6 mph WSW | 43% |
| Saturday Night | 38°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph NE | 22% |
| Sunday | 71°F | Sunny | 0 to 3 mph WNW | 0% |
| Sunday Night | 41°F | Mostly Clear | 3 mph E | 0% |
| Monday | 77°F | Sunny | 3 mph N | 0% |
| Monday Night | 46°F | Partly Cloudy | 2 mph E | 1% |
| Tuesday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph WNW | 15% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms then Chance Light Rain | 2 mph SE | 35% |
| Wednesday | 78°F | Mostly Sunny | 0 to 5 mph S | 12% |
| Wednesday Night | 46°F | Mostly Clear | 2 mph SE | 3% |
| Thursday | 81°F | Sunny | 3 mph ESE | 3% |
| Thursday Night | 48°F | Partly Cloudy | 5 mph SE | 0% |
| Friday | 81°F | Mostly Sunny | 2 to 6 mph SSE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Franklin, ID
Last spring frost
May 16
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
6a
Explore more for Franklin, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Preston, Id (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.