Mountlake Terrace, WA Weather Forecast for 5-Days

Updated: Sun May 10th 2026 12:45 AM PDT

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Mountlake Terrace, WA Weather – 5-10 – Sunny
68° / 50°
Sunny
Mountlake Terrace is set for a sunny day with temperatures peaking at 68°F and dipping to 50°F. Wind will be moderate, blowing around 12mph on average and gusts of 14.9mph at 5 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 85% at 3 AM and 42% being its lowest at 3 PM. Barometric pressure is its highest of 30.14inHg at 11 PM, a lowest point of 30.02inHg at 1 AM with an avg 30.05inHg.
Mountlake Terrace, WA Weather – 5-11 – Sunny
66° / 47°

Weather Tomorrow

Sunny
Bright and sunny conditions in Mountlake Terrace, with a high of 66°F and a low of 47°F. Winds will be light at 10mph and gusts of 11.2mph at 6 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 96% at 3 AM and 45% being its lowest at 5 PM. Barometric pressure is its highest of 30.2inHg at 7 AM, a lowest point of 30.05inHg at 7 PM with an avg 30.13inHg.
Mountlake Terrace, WA Weather – 5-12 – Sunny
72° / 48°
Sunny
Mountlake Terrace is set for sunshine with temperatures peaking at 72°F and dipping to 48°F. Winds will be light at 9mph and gusts of 10.2mph at 4 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 90% at 5 AM and 42% being its lowest at 4 PM. Barometric pressure is its highest of 30.06inHg at 12 AM, a lowest point of 29.88inHg at 7 PM with an avg 29.96inHg.
Mountlake Terrace, WA Weather – 5-13 – Sunny
77° / 54°
Sunny
Sunshine is in the forecast for Mountlake Terrace, with a high of 77°F and a low of 54°F. Winds will be light at 8mph and gusts of 11.4mph at 6 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 79% at 6 AM and 34% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 8 AM, a lowest point of 29.75inHg at 7 PM with an avg 29.85inHg.
Mountlake Terrace, WA Weather – 5-14 – Partly Cloudy
73° / 51°
Partly Cloudy
Mountlake Terrace may see cloudy skies, with daytime highs of 73°F and overnight lows near 51°F. Wind will be moderate, blowing around 11mph on average and gusts of 13.9mph at 5 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 80% at 11 PM and 35% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.83inHg at 12 AM with an avg 29.93inHg.
Mountlake Terrace, WA Weather – 5-15 – Overcast
54° / 48°
Overcast
Highs will reach 54°F with lows near 48°F in Mountlake Terrace, where overcast is. Winds will be light at 9mph and gusts of 11.3mph at 5 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 86% at 2 AM and 63% being its lowest at 5 PM. Barometric pressure is its highest of 30.16inHg at 11 PM, a lowest point of 30.03inHg at 12 AM with an avg 30.12inHg.

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