Logan, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Logan, a city in Harrison County, Iowa.
Overnight
41°F
Slight Chance Rain Showers
A slight chance of rain showers before 5am. Cloudy. Low around 41, with temperatures rising to around 43 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Logan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Slight Chance Rain Showers | 15 mph NW | 16% |
| 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 | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NNW | 17% |
| Thursday Night | 36°F | Mostly Cloudy | 3 to 7 mph N | 0% |
| Friday | 50°F | Mostly Sunny | 0 to 3 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph SE | 0% |
| Saturday | 55°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 60°F | Sunny | 1 to 5 mph WSW | 0% |
| Sunday Night | 38°F | Clear | 5 mph SSW | 0% |
| Monday | 64°F | Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 3 mph NW | 0% |
| Tuesday | 63°F | Mostly Sunny | 3 mph NNW | 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.