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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.

This Afternoon
63°F
Mostly Sunny
Mostly sunny, with a high near 63. Southwest wind around 6 mph.

7-day forecast for Sugar City

WhenTempForecastWindPrecip
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

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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 20, 2026.