| Condécourt | |
| Commune Status: | Commune |
| Coordinates: | 49.0433°N 1.9428°W |
| Arrondissement: | Pontoise |
| Canton: | Vauréal |
| Mayor: | Michel Finet[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 37 |
| Elevation Max M: | 127 |
| Area Km2: | 6.94 |
| Insee: | 95170 |
| Postal Code: | 95450 |
Condécourt (pronounced as /fr/) is a commune in the Val-d'Oise department in Île-de-France in northern France.
Condécourt has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Condécourt is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in August, at around, and lowest in December, at around . The highest temperature ever recorded in Condécourt was on 6 August 2003; the coldest temperature ever recorded was on 7 January 2009.