Dunlap, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunlap, a city in Harrison County, Iowa.
Overnight
39°F
Slight Chance Rain Showers
A slight chance of rain showers before 5am. Cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dunlap
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Slight Chance Rain Showers | 14 mph NW | 20% |
| Wednesday | 48°F | Chance Rain Showers | 14 mph WNW | 44% |
| Wednesday Night | 37°F | Chance Rain Showers | 12 mph WNW | 29% |
| Thursday | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NNW | 21% |
| Thursday Night | 34°F | Mostly Cloudy | 1 to 7 mph N | 0% |
| Friday | 50°F | Mostly Sunny | 2 mph N | 1% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 54°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 59°F | Sunny | 1 to 5 mph WSW | 0% |
| Sunday Night | 37°F | Clear | 3 mph SSW | 0% |
| Monday | 64°F | Sunny | 3 to 8 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Tuesday | 63°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dunlap (41.852, -95.602). Updated through the day.
Growing snapshot for Dunlap
Last spring frost
Apr 29
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
5b
More local growing data for Dunlap: nearby ZIP 51529 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
California Junction
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Mondamin
Persia
Pisgah
River Sioux
Woodbine
Climate data from the nearest NOAA station, Logan, Ia (17.1 mi from Dunlap). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.