Solon, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Solon, a city in Johnson County, Iowa.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Solon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 82% |
| Saturday | 81°F | Showers And Thunderstorms Likely | 5 to 10 mph S | 72% |
| Saturday Night | 64°F | Showers And Thunderstorms | 5 mph N | 81% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 71% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 mph NE | 68% |
| Monday | 63°F | Rain Showers Likely | 10 to 15 mph NE | 57% |
| Monday Night | 53°F | Rain Showers Likely | 10 mph NE | 57% |
| Tuesday | 61°F | Chance Rain Showers | 10 mph NE | 27% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph NE | 7% |
| Wednesday | 66°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 9% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 7% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Solon (41.807, -91.499). Updated through the day.
Growing snapshot for Solon
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
180 days
Hardiness zone
5b
More local growing data for Solon: nearby ZIP 52333 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Coralville
Frytown
Hills
Iowa City
Kalona
Lone Tree
North Liberty
Oxford
Shueyville
Swisher
Tiffin
University Heights
Climate data from the nearest NOAA station, Iowa City Muni Ap, Ia (12.2 mi from Solon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.