Lowell, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lowell, a community in Henry County, Iowa.
Today
89°F
Mostly Sunny
Mostly sunny. High near 89, with temperatures falling to around 87 in the afternoon. South wind around 5 mph.
7-day forecast for Lowell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 5 mph S | 10% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph NE | 34% |
| Wednesday | 82°F | Showers And Thunderstorms Likely | 5 mph E | 79% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 82% |
| Thursday | 82°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 68% |
| Thursday Night | 62°F | Mostly Clear | 0 mph | 8% |
| Friday | 85°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 17% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 17% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 7% |
| Sunday | 90°F | Sunny | 10 mph SW | 7% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 21% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph S | 21% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 27% |
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 Aug 4, 2026.