Carson, IA Weather & Growing Conditions
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. South wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 47% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 5 to 8 mph WSW | 40% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 8 to 12 mph N | 55% |
| Sunday | 65°F | Chance Showers And Thunderstorms | 13 mph NNE | 38% |
| Sunday Night | 55°F | Chance Rain Showers | 12 mph NE | 38% |
| Monday | 60°F | Rain Showers Likely | 12 mph NE | 55% |
| Monday Night | 51°F | Rain Showers Likely then Mostly Cloudy | 6 to 10 mph NE | 55% |
| Tuesday | 60°F | Partly Sunny | 9 mph ENE | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 3 to 7 mph E | 2% |
| Wednesday | 64°F | Mostly Sunny | 6 mph ESE | 2% |
| Wednesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph ESE | 22% |
| Thursday | 65°F | Chance Rain Showers | 3 to 7 mph SE | 29% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 6 mph ESE | 23% |
| Friday | 66°F | Slight Chance Rain Showers | 5 to 8 mph SE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Carson, IA
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
Explore more for Carson, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Oakland, Ia (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.