Dysart, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dysart, a city in Benton County, Iowa.
Overnight
66°F
Patchy Fog
Patchy fog and showers and thunderstorms likely. Cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dysart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Patchy Fog | 10 mph SE | 72% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 67% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 10 mph N | 47% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 62% |
| Sunday Night | 55°F | Chance Rain Showers | 15 mph NE | 39% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 56% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 56% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 32% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 10 mph NE | 5% |
| Wednesday | 65°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph E | 3% |
| Thursday | 66°F | Partly Sunny | 5 mph E | 11% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 9% |
| Friday | 69°F | Mostly Sunny | 5 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov) for Dysart (42.172, -92.309). Updated through the day.
Growing snapshot for Dysart
Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
More local growing data for Dysart: nearby ZIP 52224 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
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Newhall
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Urbana
Van Horne
Vinton
Walford
Watkins
Climate data from the nearest NOAA station, Vinton, Ia (14.7 mi from Dysart). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.