Webb, IA Weather & Growing Conditions
Tonight
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then patchy fog and a chance of showers and thunderstorms. Cloudy, with a low around 63. East northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 51% |
| Saturday | 72°F | Areas Of Fog then Patchy Fog | 5 to 10 mph N | 33% |
| Saturday Night | 56°F | Chance Rain Showers then Cloudy | 10 to 15 mph NNE | 28% |
| Sunday | 65°F | Slight Chance Rain Showers | 15 mph NE | 23% |
| Sunday Night | 52°F | Chance Rain Showers | 10 mph ENE | 49% |
| Monday | 59°F | Rain Showers Likely | 10 mph ENE | 58% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 10 mph ENE | 45% |
| Tuesday | 61°F | Partly Sunny | 5 mph E | 11% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 17% |
| Thursday | 66°F | Slight Chance Rain Showers | 0 to 5 mph SSE | 23% |
| Thursday Night | 52°F | Mostly Cloudy | 0 mph | 10% |
| Friday | 68°F | Partly Sunny | 5 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Webb, IA
Last spring frost
Apr 30
First fall frost
Oct 5
Growing season
159 days
Hardiness zone
5a
Explore more for Webb, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sioux Rapids 4 E, Ia (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.