Harman US

Alexander, IA Weather & Growing Conditions

Overnight
44°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 44, with temperatures rising to around 47 overnight. Northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 44°F Rain Showers Likely 14 mph NW 69%
Wednesday 49°F Chance Rain Showers 13 to 18 mph W 51%
Wednesday Night 40°F Rain Showers Likely 14 mph WNW 62%
Thursday 50°F Chance Rain Showers then Cloudy 12 to 15 mph NNW 41%
Thursday Night 34°F Mostly Cloudy 5 to 10 mph N 10%
Friday 47°F Mostly Sunny 2 to 6 mph NNE 3%
Friday Night 28°F Partly Cloudy 2 mph NNE 0%
Saturday 50°F Mostly Sunny 1 to 5 mph SW 0%
Saturday Night 34°F Mostly Clear 5 mph W 1%
Sunday 56°F Sunny 6 mph W 2%
Sunday Night 35°F Mostly Clear 6 mph SW 0%
Monday 62°F Sunny 6 to 10 mph SW 0%
Monday Night 38°F Mostly Clear 5 mph WNW 0%
Tuesday 60°F Mostly Sunny 3 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Alexander, IA

Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a

Explore more for Alexander, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Hampton, Ia (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.