Lytton, IA Weather & Growing Conditions
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10pm, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 3 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 3 to 10 mph SSW | 53% |
| Saturday | 75°F | Patchy Fog then Mostly Cloudy | 6 mph NNW | 36% |
| Saturday Night | 59°F | Slight Chance Rain Showers | 9 mph N | 18% |
| Sunday | 67°F | Chance Rain Showers | 12 mph NE | 28% |
| Sunday Night | 54°F | Chance Rain Showers | 8 mph ENE | 53% |
| Monday | 60°F | Showers And Thunderstorms Likely | 9 mph ENE | 64% |
| Monday Night | 50°F | Showers And Thunderstorms Likely | 6 mph NE | 58% |
| Tuesday | 61°F | Mostly Cloudy | 5 mph ENE | 11% |
| Tuesday Night | 46°F | Partly Cloudy | 2 mph E | 2% |
| Wednesday | 66°F | Mostly Sunny | 2 mph ESE | 4% |
| Wednesday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph ESE | 16% |
| Thursday | 67°F | Slight Chance Rain Showers | 2 mph SE | 23% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph E | 15% |
| Friday | 69°F | Slight Chance Rain Showers then Partly Sunny | 0 to 3 mph SE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lytton, IA
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
158 days
Hardiness zone
5a
Explore more for Lytton, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Sac City, Ia (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.