Stanhope, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stanhope, a city in Hamilton County, Iowa.
Tonight
59°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am, then a slight chance of drizzle between 1am and 5am. Cloudy. Low around 59, with temperatures rising to around 62 overnight. North wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Stanhope
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Slight Chance Showers And Thunderstorms | 10 mph N | 20% |
| Sunday | 65°F | Chance Drizzle | 14 mph NE | 38% |
| Sunday Night | 54°F | Chance Drizzle then Rain Showers Likely | 12 mph ENE | 55% |
| Monday | 58°F | Rain Showers | 12 mph NE | 81% |
| Monday Night | 50°F | Rain Showers | 6 to 9 mph NE | 80% |
| Tuesday | 60°F | Slight Chance Rain Showers then Partly Sunny | 8 mph ENE | 17% |
| Tuesday Night | 46°F | Partly Cloudy | 2 to 6 mph ENE | 4% |
| Wednesday | 64°F | Mostly Sunny | 5 mph E | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph ESE | 11% |
| Thursday | 66°F | Chance Rain Showers | 5 mph SE | 25% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 3 mph SE | 21% |
| Friday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph ESE | 19% |
| Friday Night | 57°F | Mostly Cloudy | 3 mph ESE | 12% |
| Saturday | 69°F | Chance Rain Showers | 3 to 8 mph SE | 31% |
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
Nearby towns & communities
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 Sep 20, 2026.