Lowell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lowell, a community in Henry County, Iowa.
Overnight
70°F
Patchy Fog
Patchy fog and a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Lowell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Patchy Fog | 5 mph S | 17% |
| Saturday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 28% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph NW | 80% |
| Sunday | 74°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday | 65°F | Showers And Thunderstorms Likely | 10 mph NE | 65% |
| Monday Night | 53°F | Chance Rain Showers | 10 mph NE | 45% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 43% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph NE | 4% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph E | 5% |
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 Sep 19, 2026.