Readlyn, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Readlyn, a city in Bremer County, Iowa.
This Afternoon
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Cloudy. High near 74, with temperatures falling to around 71 in the afternoon. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Readlyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Showers And Thunderstorms | 7 mph SE | 65% |
| Tonight | 59°F | Chance Showers And Thunderstorms | 7 to 15 mph NNE | 48% |
| Sunday | 65°F | Chance Rain Showers | 17 mph NE | 32% |
| Sunday Night | 52°F | Slight Chance Drizzle then Chance Rain Showers | 16 mph ENE | 40% |
| Monday | 59°F | Rain Showers Likely | 17 mph ENE | 63% |
| Monday Night | 48°F | Rain Showers Likely | 14 mph NE | 63% |
| Tuesday | 59°F | Chance Rain Showers then Partly Sunny | 13 mph ENE | 34% |
| Tuesday Night | 44°F | Partly Cloudy | 8 mph ENE | 3% |
| Wednesday | 64°F | Sunny | 8 mph ENE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 6 mph E | 3% |
| Thursday | 65°F | Mostly Sunny | 6 mph E | 7% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph E | 4% |
| Friday | 68°F | Mostly Sunny | 3 to 7 mph ESE | 4% |
| Friday Night | 53°F | Partly Cloudy | 6 mph ESE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Readlyn (42.704, -92.225). Updated through the day.
Growing snapshot for Readlyn
Last spring frost
Apr 29
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
More local growing data for Readlyn: nearby ZIP 50668 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tripoli, Ia (8.4 mi from Readlyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.