Bellingham, WA Weather Tomorrow

See what tomorrow's weather has in store for Bellingham with a reliable 5 day forecast featuring precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Bellingham area and around Whatcom county, Washington.
Updated: Sun Sep 6th 2026 7:15 PM PDT
Bellingham, WA Weather – 9-6 – Sunny
77° / 50°
Sunny
A sunny day is in the forecast for Bellingham, with a high of 77°F and a low of 50°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 10mph and gusts of 17.5mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 56% at 8 PM and 49% being its lowest at 10 PM. Barometric pressure is its highest of 29.99inHg at 11 PM, a lowest point of 29.97inHg at 8 PM with an avg 29.98inHg.
Bellingham, WA Weather – 9-7 – Scattered Showers
61° / 53°

Weather Tomorrow

Scattered Showers
Scattered showers are in the forecast for Bellingham, with a high of 61°F and a low of 53°F. Rainfall predicted to have a 52% chance with an estimated 0.03in. Wind will be moderate, blowing around 14mph on average and gusts of 24.2mph at 3 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 91% at 9 AM and 52% being its lowest at 12 AM. Barometric pressure is its highest of 30.14inHg at 9 PM, a lowest point of 30inHg at 12 AM with an avg 30.09inHg.
Bellingham, WA Weather – 9-8 – Sunny
63° / 53°
Sunny
In Bellingham, it will be sunny with highs near 63°F and lows around 53°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 8mph and gusts of 18.3mph at 1 PM. High humidity with average of 82% is anticipated, the maximum being 92% at 7 AM and 65% being its lowest at 11 AM. Barometric pressure is its highest of 30.21inHg at 9 AM, a lowest point of 30.13inHg at 12 AM with an avg 30.18inHg.
Bellingham, WA Weather – 9-9 – Sunny
65° / 54°
Sunny
It will be sunny in Bellingham, with a high of 65°F and a low of 54°F. There might be light rainfall having a 12% chance with an estimated 0in. Winds will be light at 7mph and gusts of 17mph at 1 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 91% at 7 AM and 62% being its lowest at 11 AM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 30.04inHg at 11 PM with an avg 30.15inHg.
Bellingham, WA Weather – 9-10 – Sunny
62° / 55°
Sunny
Bellingham is set for a sunny day with temperatures peaking at 62°F and dipping to 55°F. There might be light rainfall having a 12% chance. Winds will be light at 9mph and gusts of 15.9mph at 6 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 87% at 9 PM and 66% being its lowest at 6 PM. Barometric pressure is its highest of 30.04inHg at 2 PM, a lowest point of 29.96inHg at 7 PM with an avg 30.01inHg.
Bellingham, WA Weather – 9-11 – Partly Cloudy
58° / 51°
Partly Cloudy
Highs will reach 58°F with lows near 51°F in Bellingham, where overcast conditions are. There might be light rainfall having a 25% chance with an estimated 0in. Wind will be moderate, blowing around 12mph on average and gusts of 17.4mph at 2 AM. High humidity with average of 81% is anticipated, the maximum being 93% at 5 AM and 65% being its lowest at 5 PM. Barometric pressure is its highest of 29.99inHg at 2 AM, a lowest point of 29.95inHg at 7 AM with an avg 29.97inHg.

Currently

Sunny 70°F
29.96 inHg.
Barometer
55%
Humidity
SSW 8.6 mph
Wind
Sunny

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