Webster, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster, a city in Keokuk County, Iowa.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. West wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Webster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph W | 38% |
| Tonight | 64°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 86% |
| Wednesday | 77°F | Showers And Thunderstorms | 5 to 10 mph NE | 79% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 51% |
| Thursday | 81°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 27% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph E | 2% |
| Friday | 84°F | Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph S | 16% |
| Saturday | 88°F | Sunny | 5 to 10 mph S | 13% |
| Saturday Night | 71°F | Mostly Clear | 10 mph S | 13% |
| Sunday | 89°F | Mostly Sunny | 10 to 15 mph S | 12% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 10 mph S | 32% |
| Monday | 89°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 32% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 31% |
Forecast source: National Weather Service (api.weather.gov) for Webster (41.438, -92.172). Updated through the day.
Growing snapshot for Webster
Last spring frost
Apr 24
First fall frost
Oct 15
Growing season
172 days
Hardiness zone
5b
More local growing data for Webster: nearby ZIP 52355 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Delta
Gibson
Harper
Hayesville
Hedrick
Keswick
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Martinsburg
Ollie
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Sigourney
South English
Thornburg
What Cheer
Climate data from the nearest NOAA station, Sigourney, Ia (8.7 mi from Webster). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.