Served by Weather forecast for Heemskerk Fri. 26 Apr. Sat. 27 Apr. Sun. 28 Apr. 00 02 04 06 08 10 12 14 16 18 20 22 00 02 04 06 08 10 12 14 16 18 20 22 00 02 04 06 08 10 12 18° 14° 10° 6° 2° 8 6 4 2 0 8 4 0 Temperature °C Precipitation mm Wind m/s