Stanhope, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stanhope, a city in Hamilton County, Iowa.
Overnight
43°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Stanhope
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Chance Rain Showers | 16 mph WNW | 31% |
| Wednesday | 50°F | Chance Rain Showers | 16 mph W | 31% |
| Wednesday Night | 43°F | Chance Rain Showers | 13 mph W | 39% |
| Thursday | 52°F | Rain Showers Likely then Mostly Cloudy | 13 mph NW | 63% |
| Thursday Night | 37°F | Mostly Cloudy | 5 to 9 mph N | 6% |
| Friday | 49°F | Mostly Sunny | 2 to 6 mph N | 5% |
| Friday Night | 29°F | Partly Cloudy | 1 mph NNE | 2% |
| Saturday | 53°F | Mostly Sunny | 3 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 58°F | Sunny | 6 mph W | 1% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 64°F | Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 62°F | Sunny | 3 mph NNW | 0% |
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 Nov 4, 2026.