Harman US

Blockton, IA Weather & Growing Conditions

Today
51°F
Cloudy
Cloudy. High near 51, with temperatures falling to around 49 in the afternoon. West wind 12 to 15 mph, with gusts as high as 22 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 51°F Cloudy 12 to 15 mph W 7%
Tonight 42°F Mostly Cloudy 10 mph W 9%
Thursday 53°F Slight Chance Rain Showers then Mostly Cloudy 8 to 12 mph NW 24%
Thursday Night 40°F Mostly Cloudy 5 to 8 mph N 5%
Friday 51°F Partly Sunny 3 to 7 mph N 1%
Friday Night 31°F Partly Cloudy 2 mph NNE 0%
Saturday 53°F Mostly Sunny 0 to 3 mph SSW 0%
Saturday Night 35°F Mostly Clear 2 mph WSW 0%
Sunday 60°F Sunny 5 mph W 0%
Sunday Night 38°F Clear 3 mph SW 0%
Monday 65°F Sunny 3 to 9 mph SW 0%
Monday Night 41°F Mostly Clear 5 mph WNW 0%
Tuesday 65°F Sunny 5 mph N 0%
Tuesday Night 44°F Partly Cloudy 2 mph E 1%

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

Growing snapshot for Blockton, IA

Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Grant City, Mo (11 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.