Harcourt, IA Weather & Growing Conditions
Today
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 74 in the afternoon. North northwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms Likely | 5 to 9 mph NNW | 68% |
| Tonight | 59°F | Showers And Thunderstorms Likely | 3 to 8 mph N | 63% |
| Wednesday | 74°F | Slight Chance Showers And Thunderstorms | 6 mph NE | 23% |
| Wednesday Night | 53°F | Mostly Clear | 2 mph ESE | 3% |
| Thursday | 80°F | Sunny | 3 mph SE | 1% |
| Thursday Night | 60°F | Mostly Clear | 3 mph SSE | 1% |
| Friday | 84°F | Sunny | 3 to 8 mph S | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 7 mph S | 19% |
| Saturday | 88°F | Sunny | 3 to 10 mph S | 11% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph SSE | 17% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 17% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 9 mph SSE | 31% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 mph SSE | 31% |
| Monday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 12 mph E | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harcourt, IA
Last spring frost
Apr 26
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a
Explore more for Harcourt, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Jefferson, Ia (20.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.