Webster, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Webster, a city in Keokuk County, Iowa.
Tonight
48°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8pm. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Webster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph SW | 21% |
| Wednesday | 53°F | Chance Rain Showers | 15 mph W | 26% |
| Wednesday Night | 44°F | Mostly Cloudy | 10 to 15 mph W | 8% |
| Thursday | 53°F | Chance Rain Showers | 10 to 15 mph W | 38% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 25% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 54°F | Partly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 36°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 59°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 5 mph SW | 2% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
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
Kinross
Martinsburg
Ollie
Richland
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 Nov 4, 2026.