Webster, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster, a city in Keokuk County, Iowa.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then showers and thunderstorms likely. Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. Southeast wind around 10 mph. Chance of precipitation is 60%.
7-day forecast for Webster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 10 mph SE | 58% |
| Saturday | 82°F | Showers And Thunderstorms Likely | 5 to 10 mph S | 62% |
| Saturday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph N | 76% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 76% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 15 mph NE | 59% |
| Monday | 62°F | Rain Showers Likely | 15 mph NE | 59% |
| Monday Night | 51°F | Rain Showers Likely | 10 to 15 mph NE | 59% |
| Tuesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 24% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 65°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 67°F | Partly Sunny | 5 mph E | 9% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph E | 8% |
| Friday | 68°F | Mostly Sunny | 5 mph NE | 7% |
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
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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 Sep 19, 2026.