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Stanhope, IA Weather & Growing Conditions

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

This Afternoon
48°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. High near 48, with temperatures falling to around 46 in the afternoon. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

7-day forecast for Stanhope

WhenTempForecastWindPrecip
This Afternoon 48°F Slight Chance Rain Showers 14 mph W 18%
Tonight 41°F Chance Rain Showers 13 mph W 32%
Thursday 49°F Slight Chance Rain Showers then Cloudy 14 mph NNW 22%
Thursday Night 35°F Mostly Cloudy 6 to 10 mph N 3%
Friday 47°F Mostly Sunny 2 to 6 mph NNE 0%
Friday Night 28°F Partly Cloudy 1 mph NNE 0%
Saturday 53°F Mostly Sunny 1 to 6 mph SW 0%
Saturday Night 34°F Mostly Clear 3 mph WSW 0%
Sunday 60°F Sunny 3 mph W 0%
Sunday Night 37°F Clear 5 mph SW 0%
Monday 66°F Sunny 5 to 9 mph SW 0%
Monday Night 39°F Clear 5 mph W 0%
Tuesday 62°F Sunny 3 mph NNW 1%
Tuesday Night 40°F Partly Cloudy 2 mph N 2%

Forecast source: National Weather Service (api.weather.gov) for Stanhope (42.289, -93.796). Updated through the day.

Growing snapshot for Stanhope

Last spring frost
May 3
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
5a

More local growing data for Stanhope: nearby ZIP 50246 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Webster City, Ia (12.4 mi from Stanhope). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.