48°45'N / 122°28'W / Altitude 20 m / 03:29 2026/10/31, America/Los_Angeles (UTC-7)
From: 2026/10/31, 00:00
To: 2026/10/31, 05:00
* WHAT...Temperatures as low as 34 will result in frost formation. Temperatures may vary due to clearing or fog development in localized areas. * WHERE...Portions of northwest and west central Washington. * WHEN...From midnight tonight to 9 AM PDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The growing season officially ends on October 31, after which no further frost or freeze headlines will be issued.
Lowlands of Western Whatcom County,Whatcom
Take steps now to protect tender plants from the cold.
NWS Seattle WA
2026/10/30, 17:43