Sully, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sully, a city in Jasper County, Iowa.

This Afternoon

70°F

Showers And Thunderstorms

Showers and thunderstorms. Cloudy. High near 70, with temperatures falling to around 65 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Sully

When	Temp	Forecast	Wind	Precip
This Afternoon	70°F	Showers And Thunderstorms	8 mph SSE	78%
Tonight	47°F	Chance Rain Showers	7 to 12 mph WSW	52%
Wednesday	53°F	Mostly Cloudy then Chance Rain Showers	15 mph W	29%
Wednesday Night	43°F	Mostly Cloudy then Slight Chance Rain Showers	12 mph WSW	17%
Thursday	53°F	Chance Rain Showers	12 mph WNW	54%
Thursday Night	41°F	Slight Chance Rain Showers then Mostly Cloudy	8 mph NNW	16%
Friday	52°F	Partly Sunny	5 to 8 mph N	6%
Friday Night	33°F	Partly Cloudy	0 to 3 mph NNW	0%
Saturday	55°F	Partly Sunny	0 to 3 mph WSW	1%
Saturday Night	36°F	Mostly Clear	3 mph W	4%
Sunday	61°F	Sunny	6 mph W	5%
Sunday Night	38°F	Mostly Clear	5 mph SW	2%
Monday	65°F	Sunny	5 to 9 mph SW	0%
Monday Night	41°F	Mostly Clear	5 mph WNW	0%

Forecast source: National Weather Service (api.weather.gov) for Sully (41.578, -92.847). Updated through the day.

Growing snapshot for Sully

Last spring frost

May 3

First fall frost

Oct 6

Growing season

155 days

Hardiness zone

More local growing data for Sully: nearby ZIP 50251 weather · frost dates · planting calendar · Iowa frost dates

Nearby towns & communities

Baxter Colfax Kellogg Lambs Grove Lynnville Mingo Monroe Newton Oakland Acres Prairie City Reasnor Valeria

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Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (12.3 mi from Sully). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.