Lowell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lowell, a community in Henry County, Iowa.
Tonight
49°F
Chance Rain Showers
A chance of rain showers before 4am. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
7-day forecast for Lowell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Rain Showers | 10 to 15 mph S | 45% |
| Wednesday | 55°F | Slight Chance Rain Showers | 15 mph SW | 20% |
| Wednesday Night | 44°F | Mostly Cloudy | 5 to 10 mph SW | 6% |
| Thursday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph W | 23% |
| Thursday Night | 43°F | Chance Rain Showers | 5 mph NW | 30% |
| Friday | 53°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 54°F | Partly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 36°F | Mostly Clear | 0 mph | 4% |
| Sunday | 60°F | Sunny | 0 to 5 mph W | 8% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 65°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lowell (40.834, -91.439). Updated through the day.
Growing snapshot for Lowell
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
More local growing data for Lowell: nearby ZIP 52645 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Coppock
Mount Pleasant
Mount Union
New London
Olds
Salem
Swedesburg
Trenton
Wayland
Westwood
Winfield
Climate data from the nearest NOAA station, Mt Pleasant 1 Ssw, Ia (8.7 mi from Lowell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.