Webster City, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster City, a city in Hamilton County, Iowa.
Overnight
44°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 44, with temperatures rising to around 46 overnight. West northwest wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Webster City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Rain Showers Likely | 12 to 15 mph WNW | 57% |
| Wednesday | 50°F | Chance Rain Showers | 15 mph W | 40% |
| Wednesday Night | 41°F | Chance Rain Showers | 12 mph WNW | 47% |
| Thursday | 52°F | Rain Showers Likely then Cloudy | 13 mph NW | 57% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 9 mph N | 5% |
| Friday | 49°F | Mostly Sunny | 2 to 6 mph N | 5% |
| Friday Night | 29°F | Partly Cloudy | 1 mph NNE | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 58°F | Sunny | 6 mph W | 1% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 64°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 62°F | Mostly Sunny | 3 mph NW | 0% |
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 Nov 4, 2026.