Harcourt, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harcourt, a city in Webster County, Iowa.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 68 overnight. South wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Harcourt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 51% |
| Saturday | 77°F | Chance Showers And Thunderstorms then Patchy Fog | 8 mph NW | 43% |
| Saturday Night | 60°F | Chance Rain Showers | 9 mph N | 25% |
| Sunday | 66°F | Chance Rain Showers | 12 mph NE | 38% |
| Sunday Night | 55°F | Chance Rain Showers | 9 mph ENE | 35% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 65% |
| Monday Night | 50°F | Rain Showers Likely | 7 mph NE | 64% |
| Tuesday | 60°F | Mostly Cloudy | 7 mph ENE | 13% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 65°F | Mostly Sunny | 3 mph E | 3% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 8% |
| Thursday | 67°F | Slight Chance Rain Showers | 3 mph SE | 20% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 15% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 1 to 5 mph ESE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Harcourt (42.261, -94.174). Updated through the day.
Growing snapshot for Harcourt
Last spring frost
Apr 26
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a
More local growing data for Harcourt: nearby ZIP 50544 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Badger
Barnum
Callender
Clare
Coalville
Dayton
Duncombe
Fort Dodge
Gowrie
Lehigh
Moorland
Otho
Vincent
Climate data from the nearest NOAA station, Jefferson, Ia (20.4 mi from Harcourt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.