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
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 68, with temperatures rising to around 74 overnight. South wind around 5 mph. Chance of precipitation is 50%.
7-day forecast for Webster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Patchy Fog | 5 mph S | 53% |
| Saturday | 81°F | Patchy Fog | 5 to 10 mph S | 91% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 80% |
| Sunday | 68°F | Showers And Thunderstorms | 10 to 15 mph NE | 78% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 15 mph NE | 59% |
| Monday | 62°F | Rain Showers Likely | 15 mph NE | 59% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 45% |
| Tuesday | 60°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 35% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 66°F | Partly Sunny | 5 mph E | 7% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph E | 6% |
| Friday | 69°F | Mostly Sunny | 5 mph E | 6% |
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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Sigourney
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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.