Harman US

Webb, IA Weather & Growing Conditions

This Afternoon
55°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 55, with temperatures falling to around 48 in the afternoon. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 55°F Chance Rain Showers 15 mph NNW 39%
Tonight 40°F Rain Showers 15 mph NW 83%
Wednesday 47°F Rain Showers 15 mph WNW 84%
Wednesday Night 38°F Rain Showers 10 to 15 mph NW 80%
Thursday 47°F Chance Rain Showers 10 to 15 mph NNW 53%
Thursday Night 34°F Mostly Cloudy 5 to 10 mph N 5%
Friday 48°F Partly Sunny 0 to 5 mph NNE 0%
Friday Night 30°F Partly Cloudy 0 mph 0%
Saturday 54°F Mostly Sunny 0 to 5 mph SW 2%
Saturday Night 34°F Mostly Clear 5 mph W 6%
Sunday 58°F Sunny 5 mph WSW 5%
Sunday Night 37°F Mostly Clear 5 mph SSW 1%
Monday 61°F Sunny 5 to 10 mph WSW 0%
Monday Night 38°F Mostly Clear 5 mph WNW 0%

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 Nov 4, 2026.