An arctic blast will arrive tomorrow with strong southerly winds but Hawke's Bay will otherwise be able to boast warm temperatures to end autumn, as northwesterly winds bring higher temperatures and sunshine towards the end of the week.
The MetService 10-day forecast indicates gentle, dry westerlies and northwesterlies bringing sunny days and temperatures in the high teens from Wednesday, with tomorrow being the only wintry day of the week.
Temperatures will reach a maximum of only 12C in Napier and 11C in Hastings respectively.
The overnight low will remain barely above freezing, dropping to 2C in Napier and Hastings.
MetService says they cold weather tomorrow will be brought on by a sudden morning change with cold, showery southwesterly winds.
Napier is forecast to reach a high of 20C today due to a gusty northwesterly.
Hastings will max out at 19C.
The long range forecast says the mild autumn will continue into its last week due to a high pressure system arriving from across the Tasman.
Overnight lows in Napier and Hastings will remain around 8C throughout the week. Saturday, the first day of winter, is projected to bring sunshine, light winds and a high of 19C in Napier and Hastings.
The weather will not be so balmy further south, with a forecast high in Dannevirke of only 6C tomorrow with an overnight low of 0C and 13C for the rest of the week.