Hartford, IA Weather & Growing Conditions
Today
83°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 2pm. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. West southwest wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 mph WSW | 21% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph N | 63% |
| Sunday | 67°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 13 mph NNE | 45% |
| Sunday Night | 58°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 14 mph NE | 61% |
| Monday | 62°F | Rain Showers Likely | 13 mph NE | 61% |
| Monday Night | 52°F | Rain Showers Likely | 8 to 12 mph NE | 61% |
| Tuesday | 61°F | Partly Sunny | 9 mph NE | 12% |
| Tuesday Night | 48°F | Partly Cloudy | 3 to 8 mph ENE | 2% |
| Wednesday | 65°F | Sunny | 6 mph ENE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 1 to 5 mph E | 4% |
| Thursday | 66°F | Slight Chance Rain Showers | 5 mph ESE | 19% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph E | 8% |
| Friday | 68°F | Partly Sunny | 2 to 6 mph E | 8% |
| Friday Night | 57°F | Mostly Cloudy | 5 mph ESE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hartford, IA
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
Explore more for Hartford, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Des Moines 17 E, Ia (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.