Fairfield, IA Weather & Growing Conditions
This Afternoon
84°F
Chance Showers And Thunderstorms
A chance of rain showers before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind around 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Chance Showers And Thunderstorms | 10 mph SW | 32% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 75% |
| Sunday | 71°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph N | 78% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Monday | 63°F | Showers And Thunderstorms Likely | 15 mph NE | 65% |
| Monday Night | 52°F | Rain Showers Likely | 10 to 15 mph NE | 56% |
| Tuesday | 61°F | Chance Rain Showers | 10 mph NE | 43% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Sunny | 5 mph NE | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 68°F | Partly Sunny | 5 mph NE | 7% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph E | 5% |
| Friday | 71°F | Partly Sunny | 5 mph E | 6% |
| Friday Night | 55°F | Partly Cloudy | 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fairfield, IA
Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
168 days
Hardiness zone
5b
Explore more for Fairfield, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Fairfield, Ia (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.