Logan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Logan, a city in Harrison County, Iowa.
Tonight
41°F
Rain Showers Likely
Rain showers likely before 5am. Cloudy. Low around 41, with temperatures rising to around 43 overnight. Northwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Logan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Rain Showers Likely | 14 to 17 mph NW | 65% |
| Wednesday | 49°F | Chance Rain Showers | 14 mph WNW | 34% |
| Wednesday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph WNW | 22% |
| Thursday | 51°F | Chance Rain Showers | 10 mph NW | 37% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 7 mph NNW | 4% |
| Friday | 52°F | Partly Sunny | 3 mph N | 0% |
| Friday Night | 33°F | Mostly Cloudy | 1 mph ESE | 0% |
| Saturday | 58°F | Mostly Sunny | 1 to 5 mph SW | 3% |
| Saturday Night | 36°F | Mostly Clear | 2 mph W | 5% |
| Sunday | 62°F | Sunny | 5 mph WSW | 3% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 65°F | Sunny | 5 to 9 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 63°F | Mostly Sunny | 5 mph ENE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Logan (41.645, -95.791). Updated through the day.
Growing snapshot for Logan
Last spring frost
Apr 29
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
5b
More local growing data for Logan: nearby ZIP 51546 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
California Junction
Dunlap
Little Sioux
Loveland
Magnolia
Missouri Valley
Modale
Mondamin
Persia
Pisgah
River Sioux
Woodbine
Climate data from the nearest NOAA station, Logan, Ia (1.1 mi from Logan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.