Sugar City, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sugar City, a city in Madison County, Idaho.
Today
63°F
Chance Light Rain then Slight Chance Showers And Thunderstorms
A chance of rain before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 63. South southwest wind 2 to 6 mph. Chance of precipitation is 40%.
7-day forecast for Sugar City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Chance Light Rain then Slight Chance Showers And Thunderstorms | 2 to 6 mph SSW | 41% |
| Tonight | 37°F | Partly Cloudy | 1 to 5 mph SSE | 8% |
| Sunday | 67°F | Mostly Sunny | 3 mph SW | 5% |
| Sunday Night | 37°F | Mostly Clear | 3 mph ESE | 0% |
| Monday | 74°F | Sunny | 5 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph ENE | 0% |
| Tuesday | 75°F | Mostly Sunny | 2 to 6 mph ENE | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 3 mph E | 12% |
| Wednesday | 75°F | Sunny | 6 mph SSE | 8% |
| Wednesday Night | 42°F | Mostly Clear | 5 mph E | 1% |
| Thursday | 78°F | Sunny | 5 mph SE | 2% |
| Thursday Night | 44°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 78°F | Mostly Sunny | 6 mph SE | 3% |
| Friday Night | 44°F | Partly Cloudy | 6 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov) for Sugar City (43.876, -111.751). Updated through the day.
Growing snapshot for Sugar City
Last spring frost
May 29
First fall frost
Sep 13
Growing season
106 days
Hardiness zone
5a
More local growing data for Sugar City: nearby ZIP 83448 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sugar City, Id (2.9 mi from Sugar City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.