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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

WhenTempForecastWindPrecip
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

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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.