Harman US

Dysart, IA Weather & Growing Conditions

Overnight
48°F
Slight Chance Rain Showers
A slight chance of rain showers after 4am. Cloudy. Low around 48, with temperatures rising to around 51 overnight. West wind 10 to 15 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 48°F Slight Chance Rain Showers 10 to 15 mph W 17%
Wednesday 52°F Chance Rain Showers 15 mph W 32%
Wednesday Night 43°F Slight Chance Rain Showers 15 mph W 20%
Thursday 54°F Chance Rain Showers 10 to 15 mph NW 41%
Thursday Night 37°F Mostly Cloudy 10 mph N 9%
Friday 49°F Mostly Sunny 5 to 10 mph N 4%
Friday Night 28°F Partly Cloudy 0 to 5 mph N 0%
Saturday 51°F Mostly Sunny 0 to 5 mph W 0%
Saturday Night 34°F Mostly Clear 5 mph W 1%
Sunday 57°F Sunny 5 mph W 2%
Sunday Night 35°F Clear 5 mph SW 0%
Monday 63°F Sunny 5 to 10 mph SW 0%
Monday Night 39°F Mostly Clear 5 mph W 0%
Tuesday 62°F Sunny 5 mph NW 0%

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

Growing snapshot for Dysart, IA

Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Vinton, Ia (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.