Manly, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manly, a city in Worth County, Iowa.
Today
71°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Mostly cloudy. High near 71, with temperatures falling to around 69 in the afternoon. North wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Manly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Fog | 6 to 9 mph N | 54% |
| Tonight | 55°F | Slight Chance Rain Showers | 12 mph NNE | 22% |
| Sunday | 66°F | Mostly Cloudy | 14 mph NE | 8% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph ENE | 23% |
| Monday | 61°F | Chance Rain Showers | 12 mph ENE | 31% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph ENE | 24% |
| Tuesday | 61°F | Mostly Sunny | 5 to 8 mph ENE | 10% |
| Tuesday Night | 42°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 2 to 6 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 3 mph ESE | 6% |
| Thursday | 66°F | Partly Sunny | 1 to 5 mph SE | 9% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph ESE | 4% |
| Friday | 68°F | Mostly Sunny | 2 to 6 mph SE | 4% |
| Friday Night | 51°F | Partly Cloudy | 3 mph SE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Manly (43.288, -93.201). Updated through the day.
Growing snapshot for Manly
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Manly: nearby ZIP 50456 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mason City, Ia (8.9 mi from Manly). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.