Click links below to jump to:
- Current alerts
- Detailed forecasts across Whatcom County locations
- Latest air quality reports
- Tides
- Monthly historical temperatures
- Latest weather stories
Alerts
No current NWS weather alerts for Whatcom County and Northern Inland Waters.
Current detailed forecasts
Click region label to see location-specific current forecast.
Bellingham [Click here to open]
Lummi Island [Click here to open]
Sandy Point [Click here to open]
Birch Bay [Click here to open]
Blaine [Click here to open]
Point Roberts [Click here to open]
Ferndale [Click here to open]
Laurel [Click here to open]
Lynden [Click here to open]
Sumas [Click here to open]
Everson/Nooksack [Click here to open]
Maple Falls [Click here to open]
Glacier [Click here to open]
Deming [Click here to open]
Acme [Click here to open]
Sudden Valley [Click here to open]
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Latest air quality reports (monitor locations)
Bellingham [Click here to open]
Columbia Valley/Maple Falls [Click here to open]
Custer/Lynden [Click here to open]
Tides
Monthly historical temperatures at Bellingham International Airport
| Month | Avg Max (Red Line) | Avg Min (Blue Line) | 2/3 Range High (Yellow) | 2/3 Range Low (Blue) | Extreme Max (+) | Extreme Min (∗) |
| Jan | 45 | 33 | 52 | 24 | 65 | 4 |
| Feb | 49 | 35 | 55 | 27 | 72 | 5 |
| Mar | 53 | 39 | 60 | 30 | 74 | 12 |
| Apr | 59 | 43 | 66 | 34 | 83 | 22 |
| May | 64 | 48 | 72 | 40 | 86 | 30 |
| Jun | 70 | 53 | 77 | 46 | 92 | 38 |
| Jul | 75 | 56 | 81 | 50 | 96 | 42 |
| Aug | 75 | 56 | 81 | 50 | 98 | 42 |
| Sep | 71 | 50 | 77 | 43 | 88 | 34 |
| Oct | 61 | 44 | 67 | 36 | 78 | 25 |
| Nov | 51 | 37 | 57 | 28 | 69 | 10 |
| Dec | 46 | 33 | 52 | 24 | 66 | 6 |
Latest weather stories
National Weather Service issues heat advisory for northwest Washington
Heat advisory in effect from Monday to Tuesday.
Extreme low tides at Whatcom County beaches expected Monday and Tuesday
Ferry operations to Lummi Island face possible short-notice cancellations.
Heat advisory issued for Whatcom County and beyond
High temperatures are expected to reach 90 degrees in some areas.
Unseasonably warmer high temperatures forecast for Whatcom County through Monday
Temperatures to increase into the 80s through the weekend.
Inland Whatcom County high temperatures expected to reach 80 degrees in some areas
Seasonal high temperatures at the Bellingham International Airport are around 60°.
Unexpected thunder rattles NW Whatcom County residents
It was nearly a year ago when a significant lightning storm reached Whatcom County.
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