Hartford, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartford, a city in Warren County, Iowa.
This Afternoon
84°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 80 in the afternoon. West southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hartford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Slight Chance Showers And Thunderstorms | 7 mph WSW | 21% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph N | 73% |
| Sunday | 66°F | Chance Rain Showers then Chance Drizzle | 8 to 13 mph NNE | 48% |
| Sunday Night | 58°F | Rain Showers Likely | 13 mph ENE | 56% |
| Monday | 60°F | Rain Showers | 13 mph NE | 81% |
| Monday Night | 54°F | Rain Showers | 8 to 13 mph NE | 76% |
| Tuesday | 60°F | Mostly Cloudy | 9 mph NE | 14% |
| Tuesday Night | 49°F | Partly Cloudy | 3 to 8 mph NE | 2% |
| Wednesday | 64°F | Mostly Sunny | 6 mph ENE | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph E | 5% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph SE | 21% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 3 mph ESE | 22% |
| Friday | 69°F | Slight Chance Rain Showers | 2 to 6 mph ESE | 22% |
| Friday Night | 59°F | Mostly Cloudy | 5 mph E | 7% |
Forecast source: National Weather Service (api.weather.gov) for Hartford (41.458, -93.404). Updated through the day.
Growing snapshot for Hartford
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
More local growing data for Hartford: nearby ZIP 50118 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Ackworth
Carlisle
Indianola
Lacona
Martensdale
Milo
New Virginia
Norwalk
Sandyville
Spring Hill
St. Marys
Climate data from the nearest NOAA station, Des Moines 17 E, Ia (8.2 mi from Hartford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.