Sugar City, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sugar City, a city in Madison County, Idaho.
This Afternoon
63°F
Mostly Sunny
Mostly sunny, with a high near 63. Southwest wind around 6 mph.
7-day forecast for Sugar City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Sunny | 6 mph SW | 14% |
| Tonight | 38°F | Scattered Rain Showers | 1 to 5 mph SE | 32% |
| Sunday | 68°F | Mostly Sunny | 3 mph WNW | 3% |
| Sunday Night | 38°F | Mostly Clear | 3 mph E | 0% |
| Monday | 73°F | Sunny | 5 mph NNW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph ENE | 0% |
| Tuesday | 76°F | Mostly Sunny | 2 to 6 mph SSE | 1% |
| Tuesday Night | 45°F | Slight Chance Showers And Thunderstorms then Slight Chance Light Rain | 3 mph ESE | 23% |
| Wednesday | 75°F | Mostly Sunny | 2 to 7 mph SSE | 8% |
| Wednesday Night | 44°F | Mostly Clear | 6 mph SE | 4% |
| Thursday | 79°F | Sunny | 6 mph S | 1% |
| Thursday Night | 45°F | Mostly Clear | 6 mph E | 1% |
| Friday | 79°F | Sunny | 7 mph S | 5% |
| Friday Night | 46°F | Partly Cloudy | 7 mph SSE | 9% |
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 20, 2026.