Stanhope, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stanhope, a city in Hamilton County, Iowa.
Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Stanhope
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Showers And Thunderstorms | 3 mph ESE | 46% |
| Saturday | 77°F | Chance Showers And Thunderstorms then Patchy Fog | 3 to 8 mph WNW | 45% |
| Saturday Night | 60°F | Slight Chance Rain Showers | 10 mph N | 24% |
| Sunday | 65°F | Chance Drizzle | 10 to 14 mph NE | 31% |
| Sunday Night | 55°F | Chance Rain Showers | 12 mph ENE | 47% |
| Monday | 61°F | Chance Rain Showers | 9 to 13 mph ENE | 52% |
| Monday Night | 49°F | Chance Rain Showers | 6 to 9 mph ENE | 52% |
| Tuesday | 60°F | Partly Sunny | 8 mph ENE | 10% |
| Tuesday Night | 45°F | Partly Cloudy | 5 mph E | 1% |
| Wednesday | 65°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph ESE | 7% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph SE | 17% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph ESE | 9% |
| Friday | 68°F | Partly Sunny | 2 to 6 mph ESE | 9% |
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 19, 2026.