Lytton, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lytton, a city in Calhoun County, Iowa.
Overnight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lytton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Chance Showers And Thunderstorms | 5 mph NE | 54% |
| Saturday | 75°F | Patchy Fog | 6 mph NNW | 42% |
| Saturday Night | 59°F | Slight Chance Rain Showers then Slight Chance Drizzle | 9 mph NNE | 19% |
| Sunday | 66°F | Chance Drizzle | 12 mph NE | 38% |
| Sunday Night | 54°F | Rain Showers Likely | 8 mph ENE | 60% |
| Monday | 61°F | Rain Showers Likely | 8 mph ENE | 60% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 6 mph ENE | 47% |
| Tuesday | 62°F | Partly Sunny | 5 mph ENE | 11% |
| Tuesday Night | 45°F | Partly Cloudy | 2 mph ESE | 1% |
| Wednesday | 66°F | Mostly Sunny | 3 mph SE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 1 mph SE | 14% |
| Thursday | 68°F | Slight Chance Rain Showers | 3 mph SE | 19% |
| Thursday Night | 54°F | Mostly Cloudy | 1 mph SE | 12% |
| Friday | 70°F | Partly Sunny | 1 to 5 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Lytton (42.423, -94.861). Updated through the day.
Growing snapshot for Lytton
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
More local growing data for Lytton: nearby ZIP 50561 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Farnhamville
Jolley
Knierim
Lake City
Lohrville
Manson
Pomeroy
Rinard
Rockwell City
Somers
Twin Lakes
Climate data from the nearest NOAA station, Sac City, Ia (6.4 mi from Lytton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.