Hartford, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartford, a city in Warren County, Iowa.
Today
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 85, with temperatures falling to around 83 in the afternoon. West wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hartford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 6 to 9 mph W | 54% |
| Tonight | 64°F | Showers And Thunderstorms | 6 to 10 mph NNE | 91% |
| Wednesday | 73°F | Showers And Thunderstorms Likely | 8 mph NNE | 77% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 2 to 7 mph NNE | 44% |
| Thursday | 81°F | Mostly Sunny | 5 mph ENE | 7% |
| Thursday Night | 62°F | Mostly Clear | 3 mph SE | 4% |
| Friday | 86°F | Sunny | 2 to 7 mph S | 6% |
| Friday Night | 67°F | Mostly Clear | 6 mph SSE | 13% |
| Saturday | 90°F | Sunny | 3 to 10 mph S | 9% |
| Saturday Night | 73°F | Mostly Clear | 12 mph SSW | 12% |
| Sunday | 91°F | Mostly Sunny | 13 mph SSW | 12% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 12 mph S | 26% |
| Monday | 91°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 14 mph SSW | 26% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 14 mph SE | 26% |
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 Aug 4, 2026.