Portneuf's outlook: warmest day near 70° (Wednesday), coldest night about 45° (Monday). Models drop roughly 0.43 in of precipitation across the stretch — watch Friday (90%). Wind is the one to watch: gusts to 29 mph around Tuesday. The NWS alert board for this area is currently clear. Right now Portneuf is about 16° cooler than nearby Trois-Rivières. Longer view: four full seasons with serious winter and real summer heat.
Portneuf, QC · Elev 39 ft · 46.69°N, 71.89°W · Quebec · Forecast computed for these exact coordinates