Webster City, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster City, a city in Hamilton County, Iowa.
Tonight
66°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms before 11pm, then patchy fog and showers and thunderstorms likely between 11pm and 1am, then patchy fog and a chance of showers and thunderstorms between 1am and 3am, then patchy fog and showers and thunderstorms likely between 3am and 5am, then a chance of showers and thunderstorms. Cloudy, with a low around 66. South southeast wind 7 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Webster City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Patchy Fog | 7 to 12 mph SSE | 60% |
| Saturday | 77°F | Chance Showers And Thunderstorms | 6 to 9 mph WNW | 37% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms | 10 mph N | 22% |
| Sunday | 66°F | Chance Rain Showers | 14 mph NE | 34% |
| Sunday Night | 54°F | Chance Rain Showers | 12 mph ENE | 32% |
| Monday | 61°F | Rain Showers Likely | 13 mph ENE | 59% |
| Monday Night | 49°F | Rain Showers Likely | 6 to 10 mph ENE | 59% |
| Tuesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph ENE | 15% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph ESE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 7% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 18% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph SE | 8% |
| Friday | 68°F | Partly Sunny | 1 to 6 mph ESE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Webster City (42.462, -93.818). Updated through the day.
Growing snapshot for Webster City
Last spring frost
May 3
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
5a
More local growing data for Webster City: nearby ZIP 50595 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Webster City, Ia (1.4 mi from Webster City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.