Dysart, IA Weather & Growing Conditions
Overnight
66°F
Patchy Fog
Patchy fog and occasional showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Patchy Fog | 10 mph NE | 81% |
| Saturday | 79°F | Patchy Fog | 5 to 10 mph S | 80% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 70% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 52% |
| Sunday Night | 55°F | Chance Rain Showers | 15 mph NE | 43% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 43% |
| Monday Night | 50°F | Chance Rain Showers | 10 mph NE | 37% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 26% |
| Tuesday Night | 45°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph E | 3% |
| Thursday | 66°F | Partly Sunny | 5 mph E | 9% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 7% |
| Friday | 69°F | Mostly Sunny | 5 mph E | 6% |
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 Sep 19, 2026.