"But then it will be fine by late morning."
He said the rain was not looking particularly heavy and the region can expect highs of around 14 degrees.
Wednesday will see showers throughout the day, with a high of 13, before the weather clears again on Thursday.
The end of the week will be mild and sunny, with clear skies expected for both Thursday and Friday and highs of 15 and 16 degrees respectively.
North-westerly winds are to thank for the mild temperatures, which will also keep overnight temperatures relatively warm across the region.
"You'll be looking at pretty much an 8 or 9 degree overnight low from Tuesday all the way through to Friday," Bowe said.
Those planning to participate in next weekend's Sacremonte truffle hunt will be hoping the fine weather holds although, at this point, it is too far off to accurately predict.
If you are planning to travel away from the Bay this week you are in luck, with weather looking relatively consistent across the country, although Thursday is looking wet in the west of the country.
Fiordland and south Westland are places to avoid, however, with a heavy rain watch on that area.