Vancouver Weather Forecast: Vancouver Will Be Wet

While it may be sunny in Vancouver on Tuesday, September 24, this weather won’t last long.

Environment Canada meteorologist Matt Loney is forecasting wet weather for the next 24 hours in Vancouver.

“We currently have a frontal system that is outside the country and is approaching at night,” VIA said.

That system should bring 5 mm of rain overnight before dumping another 10 or 15 mm on the city Wednesday morning and afternoon, he added. Areas to the south, such as Delta or Richmond, will see closer to 5 or 10 mm, while North Vancouver could see more than 25 mm.

Weatherhood forecasters are predicting slightly more rainfall over the next 24 hours, with areas west of Vancouver such as UBC expecting 19 mm of rainfall, and eastern areas such as Killarney predicting 27 mm of rainfall.

Loney says some models are suggesting up to 30 mm for the rainiest neighbourhoods in North Vancouver, with the heaviest rainfall coming in the afternoon. Weatherhood is predicting up to 34 mm for Capilano University and 31 mm in Port Coquitlam.

The situation should calm down by late afternoon.

“It should be over by tomorrow afternoon, during rush hour,” Loney said.

However, the entire frontal system should not be too intense.

“It’s a fairly prosaic system in terms of intensity,” Loney says. “The rainfall intensity isn’t too bad, and the winds are expected to be fairly mild with this system.”

It will cool down though. While Tuesday night’s low is expected to be around 15C, Wednesday night’s low is expected to drop to 9C.

Thursday will be a drier day, but light rain is still expected. Fragments of the intense storm hitting the northern coast of British Columbia are expected to reach Metro Vancouver this evening.

Between 25 and 30 mm of rain is expected to fall in the region overnight.

“It seems like a little more reliable system,” Loney says.

More intense rainfall is expected on Thursday, but over a shorter period of time.

A new, albeit weak, high-pressure system should form over the Lower Mainland on Friday, meaning clearer skies.

“The weekend looks good and fairly dry,” Loney says.

But sunny skies no longer mean summer warmth. And clear skies at night mean a drop in temperatures, with a predicted minimum of 7 C every night this weekend.

“We’re starting the inevitable slide into winter,” Loney says. “The skies are clearing up at night, and temperatures are trending toward a significant drop.”