Webster City, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster City, a city in Hamilton County, Iowa.
Today
78°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 78, with temperatures falling to around 75 in the afternoon. West northwest wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Webster City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Showers And Thunderstorms Likely | 7 to 10 mph WNW | 68% |
| Tonight | 58°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 57% |
| Wednesday | 75°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 5 mph NE | 17% |
| Wednesday Night | 52°F | Mostly Clear | 3 mph E | 3% |
| Thursday | 81°F | Sunny | 0 to 5 mph SE | 1% |
| Thursday Night | 59°F | Mostly Clear | 5 mph SSE | 1% |
| Friday | 84°F | Sunny | 3 to 10 mph S | 8% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph S | 24% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 12 mph S | 15% |
| Saturday Night | 68°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 8 to 13 mph SSE | 17% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 17% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph SE | 32% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 13 mph SSE | 32% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 to 14 mph E | 31% |
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 Aug 4, 2026.